Scientists filmed a squid covering itself in mud and holding its tentacles upright, using camouflage that helps it hide on the ocean floor.

Will two rare supernovas finally tell us how fast the universe is expanding? Perhaps, but we'll have to wait for it for them ...

NASA astronauts train on Orion spacecraft systems, flight operations, and lunar observations in preparation for the 10-day Artemis II mission around the Moon.

Vanishing sparrows, altered migrations, and deformed birds are Earth’s warning signals — nature’s whistle-blowers telling us ...

A 13-atom molecule containing sulfur has been discovered in interstellar space for the first time, providing insight into the origins of the chemistry of life.

Astronomers are closing in on what looks like a rare prize: a world almost the size of Earth, circling a Sun-like star at a ...

When people speak of the northern lights, they are typically referring to Earth’s spectacular display of aurora borealis: ...

The Starlink service from SpaceX, which operates a mega constellation using thousands of ultrafast broadband internet ...

NASA and ESA release a Hubble image of NGC 7722 showing dust lanes, rings, and supernova follow-up observations in a lenticular galaxy.

The six-year results from the Dark Energy Survey highlight unresolved tensions in standard cosmological theory ...

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four massive but extremely low-density worlds orbiting the star appear to be ...

Scientists have devised the most detailed map to date of the terrain hidden below the vast ice sheet blanketing Antarctica, uncovering an exuberant landscape of mountains, canyons, valleys and plains ...