NASA orbiters and rovers mapping Mars' surface may have revealed the possibility of finding life on the planet.
Behold the sun and all of it's glory. Learn all things about the sun ranging from its beginning to its death. Also learn about how stars work in general.
Asteroids, comets, gamma ray bursts and the sun all combine to make the Earth a dangerous place to live.NASA's top brass and other scientists are arming themselves with the latest technology to preempt an apocalyptic attack.