US President Donald Trump's plans to build a space-based Golden Dome missile defense shield have drawn immediate criticism ...

Astronomers have, for the first time, captured what they believe are the very first moments of rocky planet formation around ...

Eruptions of plasma piling atop one another, solar wind streaming out in exquisite detail -- the closest-ever images of our ...

Betelgeuse is one of the brightest stars in the night sky, and the closest red supergiant to Earth. It has an enormous volume ...

Whether you're in the midst of a summer heat wave or a full-blown hot flash, we've rounded up the very best cooling pillows ...

Betelgeuse is one of the brightest stars in the night sky, and the closest red supergiant to Earth. It has an enormous volume, spanning a radius ...

Our tiny blue planet has been immortalized in breathtaking images captured from the far reaches of space. These photographs, ...

From a silhouetted space station to glowing comet tails and swirling stars, this year's ZWO Astronomy Photographer of the Year contest inspires us to see the cosmos in a new light ...

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda ...

China's Tianwen 2 probe has captured striking pictures of home as it heads out to a near-Earth asteroid to collect samples.

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...