Largest in the Solar System
[/caption] The Solar System holds some big records. Want to know which are the largest in the Solar System? Largest…
Project Lucifer: Will Cassini Turn Saturn into a Second Sun? (Part 1)
[/caption] The story: On October 15th 1997, the Cassini-Huygens mission blasted off from Cape Canaveral Air Force Station to explore…
Phoenix in the Land of Mars’ Midnight Sun
[/caption] This panorama mosaic of images was taken by the Surface Stereo Imager on board NASA's Phoenix Mars Lander. This…
Solar System Pictures
[/caption] This is a a diagram of the Solar System. It was released shortly before the International Astronomical Union made…
What Are YOU Doing for the International Year of Astronomy?
In 1609, Galileo Galilei looked at the heavens through a telescope for the first time, and things on Earth haven't…
Diagram of the Solar System
[/caption] This image contains all of the largest objects in the Solar System. You can print this diagram of the…
This Week’s “Where In The Universe” Challenge
It's Wednesday, so that means its time for another "Where In The Universe" challenge to test your visual knowledge of…
New “Sunglasses” Help Astronomers See Light Near Black Holes
[/caption] Although we can't actually see a black hole, we can see the black hole's effect on nearby matter. But…
Ancient Galactic Magnetic Fields Stronger than Expected
[/caption] The origin of magnetic fields in our universe is a mystery. But magnetic fields are a key part of…
Polaris Brightness Variations are Revived, Astronomers Mystified
[/caption] Polaris is a well known Cepheid variable, but its periodic brightness variations have been steadily decreasing in amplitude for…