Abraham Loeb

Dark matter—the universe's invisible mass—might be a swarm of primordial black holes. Scientists have found a way to spot them: a hole with the mass of an asteroid would disrupt the precise ticking of pulsars; a more massive one, crashing into an icy body beyond Pluto, would light up like a searchli

In the Andromeda galaxy, a star faded away without a flash. James Webb and the Chandra telescope saw a dim object in a dust cocoon. This proves that a black hole can be born in the quiet collapse of a star, not just in the fire of a supernova.

The Loeb scale rates the weirdness of an interstellar object on a five-point scale. A ‘candidate’ level isn’t proof, but a green light for intensive observations. Ignoring it is more dangerous than being wrong.

A new study proposes a simple observational test: any binary system with a negative-mass component must either produce an anomalous signal with a falling frequency or instantly fly apart. Not a single such 'note' has been found in the LIGO, Virgo, and KAGRA archives. The silence shuts down an entire

Analysis of the fireball that blazed on April 1, 2026 over the South Atlantic showed its heliocentric velocity was 51.73 km/s. That's 9.59 km/s above the threshold at which an object forever leaves the Solar System. Scientists accounted for gravitational acceleration, recalculated coordinates, and r

Data from JWST and SPHEREx on comet 3I/ATLAS revealed that natural spread of life in ice is possible if microbes periodically thaw. But intentional sending of life by another civilization is nearly impossible — the impact would be too hot. The work proposes a method to search for life on such wander