If you’re going to set a sci-fi movie on an alien planet, it’s a nice bonus if that planet actually exists. Or, at least, is ...

The intriguing tale began in 1986, but the pictures only surfaced ... completely alien to the somewhat emphatic and vaguely bizarre world of the so-called 'contactees'." "He is a completely ...

This is what textbooks have taught us over the years but beyond the realm of humankind inhabiting Earth -- out in the alien world, a different form of water, called plastic ice VII might be present.

A rocky planet less than half the mass of Earth seems to have an atmosphere made almost entirely of sulphur dioxide – this could be due to a huge amount of volcanic activity ...

Hulton Deutsch/Corbis via Getty Images, FILE Japanese aliens taken ... where they were brought for examination. During World War II, the Alien Enemies Act was partially used to justify the ...