10th Planet has a Moon
The newly discovered 10th planet - which the discoverers have dubbed "Xena" - appears to have a moon of its…
Space Tourist and New Crew Arrive at the Space Station
The Soyuz spacecraft carrying the crew of Expedition 12 and space tourist Greg Olsen docked with the International Space Station…
Astrophoto: Mars by Efrain Morales
Efrain Morales took this recent photograph of Mars. He took 750 individual frames of the planet with his telescope in…
Book Review: Echo of the Big Bang
According to Genesis, 'First there was light.'. According to scientists, this initial light is still about us, shining down from…
Ballooning on Mars
NASA is planning on sending rovers to crawl around the surface of Mars for the foreseeable future, but there's only…
Keck Can Turn Down Starlight to See Planetary Disks
The massive Keck Observatory at the top of Hawaii's Mauna Kea has learned a new trick: it can block the…
Vivid View of Spongy Hyperion
Cassini made its first flyby of Saturn's moon Hyperion last week, and took this amazing photograph. The spacecraft got within…
Was There a Slushball Earth?
With the "Snowball Earth" hypothesis, scientists have proposed that our planet was once encased under a thick layer of ice…
Spiral Galaxy NGC 1350
The European Southern Observatory's Very Large Telescope took this incredible image of galaxy NGC 1350, which is located 85 million…
Astrophoto: Antares-Rho Ophiuchus by Thomas Davis
Here's an amazing picture of the Antares-Rho Ophiuchus region of the Milky Way taken by Thomas Davis from his home…