Jumping workouts could help astronauts prevent the type of cartilage damage they are likely to endure during lengthy missions to Mars and the Moon, a ...

NASA’s Hubble Space Telescope captured a cameo appearance of the tiny moon Phobos on its trek around the Red Planet. This composite image, from NASA Galileo and Mars Global Survey orbiters, of Earth ...

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south ...

NASA's Hubble Space Telescope managed to capture an incredible image of a galaxy that looks an awful lot like a bullseye. "This was a serendipitous discovery," said Imad Pasha, the lead researcher ...

The Coma Cluster, as seen by the Hubble Space Telescope. | Credit: NASA/ESA/Hubble Heritage Team (STScI/AURA)/D. Carter (Liverpool John Moores University)/Coma HST ACS Treasury Team The mystery of ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun If you’ve ever done any public outreach work for astronomy—if you’ve given ...

Hubble captured an exploding star about 650 million light-years from Earth. The Hubble Space Telescope recently captured a snapshot of a rare supernova that sits in the Gemini constellation, about ...

NATIONAL HARBOR, Md. — Proposed budget reductions for the Hubble Space Telescope would impact research and outreach as well as increase the risk to the observatory, project officials warn.