U.S. Air Force Working to Save Ailing Military Satellite
The U.S. Air Force is gaining ground in its attempt to save an advanced new military communications satellite after a crippling malfunction left it without a working main engine.
Spiral Galaxy Like Our Own Shines With Pink Clouds
The wispy arms of a spiral galaxy that is similar to our own Milky Way can be seen in striking detail in a new image from the European Southern Observatory.
How Microbes Could Help Colonize Mars
An ancient blue-green algae could help mine precious resources and bolster life support systems on the surface of Mars.
