Astronomy and Astrophysics

Illustration of Closeup of a planet's surface

NASA’s TESS, Spitzer missions discover a world orbiting a unique young star near us

Oumuamua

Mysterious interstellar visitor was probably a ‘dark hydrogen iceberg,’ not aliens

Exoplanets

Ocean circulation may hold the key to finding life on exoplanets

Milky Way Groupie Galaxy

‘Groupie’ galaxies orbiting Milky Way tell us about dark matter, how galaxy formed

Richard Miller

Richard Miller, pioneer of computational astrophysics, 1926–2020

Prof. Parker in front of blackboard with equations

Prof. Eugene Parker wins prestigious Crafoord Prize in Astronomy

Bubbles and cracks image of the sun surface

New telescope reveals most detailed images of sun’s surface

black and white image, close-up of crystalline dust fragment

UChicago, Field Museum scientists discover oldest material on Earth: 7-billion-year-old stardust

Visualization of a blue planet half in shadow, with mass of clouds gathered over the bright side

NASA’s TESS spacecraft discovers its first habitable planet, first world with two stars

View of a star partially obscured by a large rocky planet with magma ocean

Why some planets eat their own skies