Back on Earth, balance issues could arise. Continued monitoring showed that the brain orientation of the astronauts in the study slowly returned to normal. For those with the longest stays, ...

Astronomers have discovered a flattened structure of matter around the Milky Way that explains the unusual motion of nearby galaxies.

One particularly well-known fact about the moon is that it doesn't have much of a magnetosphere to speak of. There's no blanket to protect it from the solar wind ravaging its surface, blowing away its ...

The space-faring mice spent about 28 days in those conditions before returning to Earth in April. Mortreux and her colleagues then analyzed the weight, strength and movement of the 23 surviving ...

100 years ago, a liquid-fueled rocket flew into the sky for the very first time. The unlikely contraption was designed by ...

New research using Cassini data suggests Titan may not have a global ocean, but small warm water pockets hidden deep in its ...

It's well known that spaceflight causes muscle atrophy and other biological changes in reduced gravity, and especially in ...

March's new moon in Pisces will emerge on March 18 and with it comes endings, resolutions and closure. This new moon will ...

The results, published in February in the journal Monthly Notices of the Royal Astronomical Society, show that under these conditions some exomoons could remain warm enough for liquid water — and ...

Between 1.0 and 3.6 billion years ago, many studies suggest the Moon either had a very weak magnetic field or none at all.

There is a category of planet that belongs to no star. It was thrown clear of its solar system early in the chaos of ...

Over 10 days, Artemis II will orbit Earth, fly around the Moon, and test Orion systems, including drills, trajectory corrections, and lunar photography. The mission ends with a record-close lunar ...