Doug Johnstone

Astronomers using the James Webb Space Telescope observed the exoplanet WASP-121b—a blazing gas giant circling perilously close to its star. It turns out the planet is losing its atmosphere: helium streams into space in two comet-like tails. One tail outruns the planet and plunges into the star, whi

The ALMA radio telescope peered into the triple system HOPS-288, where three stars are being born. Around two of them, a chemical kitchen is bubbling: warm clouds where complex molecules assemble from icy dust. Astonishingly, the list of these molecules is almost identical for both stars — as if pre