The Hubble Space Telescope has been used to study 25 hot Jupiters. It has helped to answer "questions important to our ...

Searching for exomoons—moons that orbit around another planet—was one of the most exciting capabilities expected of the James ...

This image from the Mars Global Surveyor Mars Orbiter Camera shows the region Ares Vallis and the Chryse Plains, where both ...

Published in Nature Astronomy, the findings represent a first: while helium escape has been observed before, this is the ...

Scientists have detected tiny lightning bolts on Mars for the first time — they were found discharging around NASA's ...

December for lovers of astronomy is highlighted by the Geminids meteor shower, as Greg Redern highlights in December’s ...