Astronomy Staff, Author at Astronomy.com | Page 152 of 278

Red giant star Betelgeuse in the constellation Orion is mysteriously shrinking

Exotic Objects, Science, Stars

New technique improves estimates of pulsar ages

A sleeping giant

Exotic Objects, Science

Texas-sized computer finds most massive black hole in galaxy M87

Robotic Spaceflight, Space Exploration

Mars Reconnaissance Orbiter rebooting

Human Spaceflight, Space Exploration

NASA launch tests alternate concept for astronaut escape system

Robotic Spaceflight, Science, Solar System, Space Exploration

Cassini finds Titan’s clouds hang on to summer

Human Spaceflight, Space Exploration

NASA gives “Go” for June 13 launch of space shuttle Endeavour

Stellar family in crowded, violent neighborhood proves to be surprisingly normal

July 2009: How dying stars bring new planets to life

Human Spaceflight, Space Exploration

NASA selects four proposals to study space radiation risks

Human Spaceflight, Space Exploration

NASA’s Space Shuttle Program hands over launch pad to Constellation Program