How Do You Find The Signs of Life On Alien Planets?
One big challenge in astronomy is everything is so darn far away. This makes it hard to see the signs…
A Mercurial Milestone: 1,000 Featured Images from MESSENGER!
It's been nearly two and a half years since the NASA-sponsored MESSENGER mission entered orbit around Mercury -- the first…
The Curvature of the Universe
A while back we introduced you to Zogg the alien from Betelgeuse. Zogg has been busy helping aliens understand bizarre…
Astrophotos: The Smiley Face Moon and Companions in the Sky
Did you notice a bright "star" close to the Moon last night (September 8, 2013)? People around the world had…
How Did the Moon Form?
The night sky just wouldn’t feel right without the Moon. Where did our our friendly, familiar satellite come from? Scientists…
Huge Asteroid 324 Bamberga Makes a Return Visit to Earth’s Neighborhood on Friday the 13th
This week offers a fine chance to catch sight of a unique asteroid. 324 Bamberga reaches opposition this week in…
Researchers Say ExoMars Could Detect Bacteria on Mars — Past or Present
Signs of life on the Martian surface would still be visible even after bacteria were zapped with a potentially fatal…
New Podcasts: Precession and Acceleration
We've got two new podcasts from the Astronomy Cast team of Dr. Pamela Gay and Fraser Cain: Ep. 313: Precession,…
Carnival of Space #318
The tent is up! This week’s Carnival of Space is hosted by Pamela Hoffman at the Everyday Spacer blog. Click…