Cassini’s Zips Past the Death Star
NASA's Cassini spacecraft made a relatively close flyby of Saturn's moon Mimas on August 2nd, 2005. The 130 km (80…
Astronaut Successfully Plucks Out Filler From Shuttle’s Belly
Astronaut Steve Robinson successfully pulled out the protruding gap fillers from between the shuttle's thermal protection tiles during his 7…
Spitzer Sees Hidden Black Holes
NASA's Spitzer Space Telescope has peered through walls of galactic dust to spot supermassive black holes called quasars. Some quasars…
Podcast: Planetary Disk That Refuses to Grow Up
With new instruments, astronomers are filling in all the pieces that help to explain how planets form out of extended…
Audio: Planetary Disk That Refuses to Grow Up
With new instruments, astronomers are filling in all the pieces that help to explain how planets form out of extended…
Astronauts Prepare for Spacewalk to Remove Gap Filler
Astronauts Steve Robinson and Soichi Noguchi made their preparations to head outside the space shuttle Discovery today. This spacewalk had…
Discovery’s Leading Wing Edge is Safe
Shuttle managers decided on Wednesday that Discovery's leading wing edge is safe for it to make re-entry. This is the…
Messenger Swoops Past the Earth
NASA's Messenger spacecraft made a successful Earth flyby this week, getting a gravity boost that will propel it into the…
Bright Splat on Rhea
This Cassini image of Saturn's moon Rhea shows a bright, white spot in its leading hemisphere. This bright feature could…
Book Review: The Star Guide: Learn How to Read the Night Sky Star by Star
Stars, stars, everywhere are stars. What's that one? Oh, it's an aeroplane flying by, oops. Moments such as this would…