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Stephen Hawking

! scientist · # tag · @ author
1942–2018 · Cosmology, Theoretical physics, Astrophysics
British theoretical physicist and cosmologist who made revolutionary contributions to the theory of black holes, predicted Hawking radiation, and advanced the understanding of the Big Bang and gravitational waves. His work unified general relativity and quantum mechanics, laying the foundations of quantum cosmology.

Biography

Studied at Oxford and Cambridge. Despite progressive motor neuron disease, he held the position of Lucasian Professor at Cambridge. Author of the bestseller 'A Brief History of Time'. Received numerous awards, including the Wolf Prize and the Copley Medal, but did not receive the Nobel Prize because Hawking radiation has not yet been confirmed by observations.

Key discoveries

💡 Hawking was known for his scientific gambling: he bet colleagues a magazine subscription that black hole radiation would never be found, but when indirect evidence appeared, he happily admitted defeat and paid up.
Quote: "My goal is simple — a complete understanding of the Universe: why it is as it is and why it exists at all."
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Related tags
black holegravitational wavesbig bang
Related laws
Hawking radiationBekenstein-Hawking entropyno-hair theoremholographic principleHawking area theorem
Related scientists
Henri PoincaréFritz ZwickyJacob BekensteinSubrahmanyan ChandrasekharArno PenziasRainer WeissRalph AlpherEdwin Hubble

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Alchemy of the Void: Nonlocal Magic of Particle Birth

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Gravitational Shooting Gallery: Sighting in on Black Holes

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Torus Universe: A Quantum Jackpot for the Big Bang

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The Magic of Translation: From Black Holes to Electricity

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Why Black Holes Don't Incinerate What Falls In

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The Devourer Universe: Dark Energy from World Mergers

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Invisible Drums: How Gravitational Waves Give Birth to Black Holes

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Cosmic Bellows: How Eternal Inflation Resurrects the Universe from the Ashes

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Ghost Black Holes: The Hunt That Comes Up Empty

An analysis of black hole mergers over the past year of observations reveals: almost all signals come from ordinary black holes of stellar origin. Primordial black holes, if they exist at all, make up only a tiny fraction of dark matter.
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How the Universe is Born from Nothing

Physicists have calculated the probability of a whole universe being born from emptiness — like a bubble in boiling water. Taking quantum fluctuations into account led to a simple formula, similar to the one describing particle tunneling. This is a step toward unraveling the beginning of time.
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Sound Trap in a Superfluid

Scientists have discovered that a rotating superfluid creates sound traps akin to black holes. They calculated specific frequencies at which sound resonates inside without escaping. This provides a lab model for exploring quantum effects and gravity theory.
arXiv:2605.16621 · 2026-05-15

How Black Holes Erase Quantum Secrets

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arXiv:2605.19588 · 2026-05-19

Invisible Middleweight Black Holes Discovered

The universe is full of black holes, but middleweights long eluded detection. Now distortions in radio signals have given them away, as if invisible masses altered the voice of distant bursts. These could be Big Bang relics hiding in dark matter.
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Quantum Cloud Near a Black Hole

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arXiv:2605.25417 · 2026-05-25

When Black Holes Turn Inside Out

The transition of a black hole into a white hole produces an immensely powerful gamma-ray burst. Scientists have calculated that such a burst creates far more light and lightweight particles than heavy nuclei. This makes it visible across half the universe; especially if primordial black holes the s
arXiv:2605.25709 · 2026-05-25

Time Can Still Be Tricked

Physicists examined two classic time machine designs within extended gravity featuring an extra field. The time loops didn’t collapse, and the chronology protection hypothesis failed. Even souped-up gravity doesn’t forbid time travel, which matters for testing modified theories.
arXiv:2605.26696 · 2026-05-26

Is dark matter the remnant of evaporated black holes?

Physicists suggest that invisible dark matter is the 'salt' left behind after primordial black holes evaporated. Calculations show that if there were too many such holes, their remnants would have overfilled the cosmos. But black holes weighing about a ton naturally account for the observed amount o
arXiv:2605.28953 · 2026-05-27

Acoustic Black Holes Get Entangled Differently

Scientists modeled a flow where sound gets trapped and found that entanglement entropy grows with volume, not area. The reason: pairs of sound particles (phonons), born at the horizon, remain connected throughout the interior. This helps us understand how information might be preserved inside real b
arXiv:2605.30540 · 2026-05-28

Tunnels from Entropy: A New Key to Wormholes

Can modified entropy laws replace exotic matter for wormholes? Testing five non-standard models, physicists found each naturally generates matter with negative energy density—exactly what keeps spacetime tunnels open. This links entropic gravity theory to the prospect of interstellar travel.
arXiv:2606.00178 · 2026-05-29

Quantum Tide from the Future: Accelerating the Universe Without Dark Energy

A new study offers a bold explanation: the accelerating expansion of the Universe isn't the result of mysterious dark energy, but a consequence of quantum boundary conditions imposed from the distant future. In a radiation-dominated model with zero cosmological constant, a final state in the form of
arXiv:2606.02514v1 · 2026-06-01

Smoldering Ember in a Star’s Heart: Two Apocalypse Scenarios

These objects are one of the biggest mysteries and a possible key to dark matter. New modeling has revealed a rare but spectacular scenario with two outcomes for capture by a binary system. Without an accretion disk, the star fades unnoticed; with a disk, it is torn apart by relativistic jets in min
arXiv:2606.02700v1 · 2026-06-01

Graviton Fog: How Quanta Blur Light Cones

The classical light cone is a crystal-clear boundary between what can be causally connected and what remains forever separated. But quantum field theory in curved spacetime paints a different picture: gravitons, the quanta of the gravitational field, tremble even in vacuum, causing spacetime itself
arXiv:2606.02729v2 · 2026-06-01

The Neutron Kitchen of the Big Bang: How Black Holes Tidied Up Lithium-7

The primordial lithium-7 problem is one of the main contradictions in standard cosmology: Big Bang nucleosynthesis theory predicts three times more lithium-7 than observed in old stars. An elegant solution proposes using neutrons from the evaporation of primordial black holes. Neutron capture turns
arXiv:2606.03316v2 · 2026-06-02

Quasi-stars: The Furnaces Where Supermassive Black Holes Are Born

The James Webb Space Telescope has spotted mysterious "Little Red Dots" in the early universe—compact objects that don't fit standard models. A new study suggests they may be quasi-stars: black holes shrouded in a dense gas cocoon that thermalizes radiation like a giant furnace. Calculations using t
arXiv:2606.06575v1 · 2026-06-04

Dark Start: How Vacuum Decay Birthed the Big Bang

Imagine: after inflation, the Universe didn't ignite right away — it plunged into darkness. Nearly all the energy went into a dark sector, while ordinary matter got stuck in a false vacuum — a supercooled state, like liquid glass on the verge of crystallizing. Then a quantum nudge spawned bubbles of
arXiv:2606.06587v1 · 2026-06-04

The First Cry of a Merging Black Hole Confirms Hawking's Unbreakable Law

Scientists used a new method: measuring the horizon area from short-lived direct gravitational waves emerging right after the merger, before the quasi-normal ringing. Analysis of GW250114 showed agreement with the Kerr remnant area — a direct test of the area law. This opens an independent pathway t
arXiv:2606.06592v1 · 2026-06-04

Dark Matter's Invisible Sparks: Tiny Black Holes as Stellar Detonators

What if dark matter isn’t just passive, but can actually ignite stars? New research simulates white dwarf explosions triggered by the passage of a primordial black hole—a candidate for dark matter. Hydrodynamic simulations and nucleosynthesis calculations of 495 isotopes show that such Type Ia super
arXiv:2606.07505v2 · 2026-06-05

Black Hole as a Gravitational Atom: Gravitational Echo

A spinning black hole accumulates a cloud of nearly weightless particles—a gravitational atom. A faint gravitational wave makes them synchronously "fall" from high orbits, creating a delayed burst. This flare is a key to detecting dark matter.
arXiv:2606.10776 · 2026-06-09

Gravity: Classical or Quantum?

Physicists have shown: if gravity is classical and matter is quantum, then a qubit solves problems beyond any computer. This would violate a fundamental limit on computation. Since we don't see that, gravity must be quantum.
arXiv:2606.14806 · 2026-06-11

Information — The Shadow of What Never Was

What is information? Not a substance, nor an empty abstraction. Rather, it’s the shadow of all the options that never came to be. When we erase data, the shadow vanishes, releasing a tiny amount of heat. In black holes, this shadow thickens but doesn’t disappear—a puzzle leading to quantum gravity.
arXiv:2606.15120 · 2026-06-13

Vacuum’s Memory: How Information Survives in a Black Hole

A new hypothesis suggests the vacuum is a network of invisible threads. When a star collapses, the threads tangle into a dense knot—a fuzzball—whose surface imprints everything that fell in. Nature saves information from disappearing.
arXiv:2606.20334 · 2026-06-18

Magnetic fields of the early universe created black holes

Scientists described how magnetic fields in the early universe, like an invisible spoon, stirred spacetime, creating eddies that condensed into black holes. These holes could be a major component of dark matter.
arXiv:2606.23307 · 2026-06-22

When a Black Hole Can Split Apart

The laws of physics forbid black holes from dividing: their total area cannot decrease, just like entropy. But rapid rotation changes the rules, allowing tiny fragments to break off. In worlds with extra dimensions, fragmentation is even easier, revealing secrets of primordial black holes.
arXiv:2606.24642 · 2026-06-23

Speedy quantum bubbles mimic the early universe

After the Big Bang, the universe may have been stuck in a false vacuum — a fragile state like an unpopped bubble. A rare true-vacuum bubble could then erupt, causing a colossal expansion that stretched space itself. Now, physicists recreated this on a chip with 4000 tiny magnets, showing how one bub
arXiv:2606.25889 · 2026-06-24

The Conductor's Baton: How a Phase Transition Creates Axion Dark Matter

Lattice simulations showed that a first-order cosmic phase transition — like a sudden sweep of a conductor's baton — causes the axion field to switch on abruptly rather than smoothly. This gives rise to two regimes: a fast transition enhances the axion abundance due to delayed oscillations, while a
arXiv:2607.01333v1 · 2026-07-01

Cosmic Symphony: How the Bass and Whistle of Primordial Black Holes Sound in Unison

The formation of primordial black holes requires extreme amplification of primordial curvature perturbations, which generates two types of gravitational waves: a low-frequency background (SIGW) from the perturbations themselves and a high-frequency signal from the mergers of the resulting binary sys
arXiv:2607.01818v1 · 2026-07-02

How a Quantum “Pillow” Saves a Black Hole from Infinity

A new black hole model incorporates quantum corrections that remove the infinity at the center, turning it into a smooth region. This shifts the horizon, weakens Hawking evaporation, and changes the size of the shadow — the dark silhouette we can observe. By measuring the shadow, we can gauge the st
arXiv:2607.02631 · 2026-07-02

Black Holes Remember More Than You'd Think

Black holes store more information than the infalling matter provides. This excess 'information load' shifts the frequency of gravitational waves during mergers, revealing their origin—stellar or quantum.
arXiv:2607.03560 · 2026-07-03

Cosmic Jazz: Three Finales of an Encounter with a Black Hole

How does a primordial black hole, a dark matter candidate, alter the fate of a planetary system? Simulations of the TOI-2796 system revealed three dramatic outcomes: planet ejection, formation of a stable triple system, and capture of the planet into an eternal journey with the black hole. The rare
arXiv:2607.03724v1 · 2026-07-04

The Pulse of a Black Hole: Birth of a Jet in X-ray Echo

Years of observations with XMM-Newton, Swift, and VLA showed how the changing-look active galaxy 1ES 1927+654 underwent a dramatic transition from a wind regime to a jet. X-ray spectra revealed oxygen emission lines and a broad iron line, while ionized absorption faded. Synchronously, radio emission
arXiv:2607.05246v1 · 2026-07-06

The Arrow Piercing the Disk: Recipe for an X-ray Flare

When a wandering star slams into the accretion disk of a supermassive black hole at immense speed, a quasi-periodic X-ray flare is born — a cosmic firework capable of outshining a galaxy. For the first time, 3D radiation hydrodynamics simulations systematically linked the collision parameters — star
arXiv:2607.05508v1 · 2026-07-06

The Safe at the Edge of the Universe

Using a simplified model, researchers determined the delay with which information emerges from behind the cosmological horizon. Quantum particles born near the horizon carry data not instantly: first, a characteristic time passes — roughly 1/8 of the horizon’s traversal period. This discovery helps
arXiv:2607.08737 · 2026-07-09