Humans may, one day, be able to inhabit other planets. Some advocates argue that remaining on only one courts disaster.

Colombia’s president has issued a stark warning that relations with Washington have entered a dangerous phase, saying recent ...

Humans have always been fascinated with space. We frequently question whether we are alone in the universe. If not, what does ...

The Hjortspring boat was essentially a very large canoe used in an ancient raid. In the 4th century BC, several boats ...