The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.

Findings from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy could be evolving over time. If ...

Settlements. Changing land use. A short video for 7-11 year old pupils investigating the factors that govern change of land ...

Listen, as a general rule: If you don't know what something is, don't pick it up. "When I'm talking, you're not talking," ...

NASA astronauts Cmdr. Barry "Butch" Wilmore and pilot Sunita "Suni" Williams spent nine months aboard the space station on what was supposed to be an eightish-day mission.

Starliner astronauts Suni Williams and Butch Wilmore, who were stranded at the International Space Station for nine months, ...

Where do meteorites of different types come from? In a review paper in the journal Meteoritics & Planetary Science, ...

Astronauts Suni Williams and Butch Wilmore are on their way back to Earth, with a splashdown off Florida coast expected late this afternoon.

Ancient wolves may have self-domesticated by staying near humans for food scraps, gradually evolving into early dogs.

Blasting off aboard a SpaceX Falcon 9, NASA’s EZIE mission is on a groundbreaking journey to unravel the mysteries of auroral ...

Americans will have to stay up late or get up really early this week to see the latest celestial event – a total lunar ...

A lunar eclipse occurs when the sun, Earth, and moon align so that the moon passes into Earth's shadow. In a total lunar ...