Modern astrobiology suggests that alien life would not evolve randomly, but under the same ruthless evolutionary pressures ...

The Etosha Pan in northern Namibia, the largest salt flat in the country, looks otherworldly in this satellite photo.

Add Yahoo as a preferred source to see more of our stories on Google. Tardigrades—a type of invertebrate also known as water bears—are the only animals observed to survive the intense radiation and ...

For generations, science fiction has imagined what life might look like on other worlds. Novelist H.G. Wells described nightmarish squid-like Martian invaders in The War of the Worlds, while the ...