Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Scientists aren’t finding alien life because they are likely searching for the wrong signals or looking in the wrong places, a new study warns. Astronomers are mainly focused on avoiding “false ...

Holidaymakers have one major thing in common with scientists who are on the hunt for alien life: their plans are often thwarted by clouds. The clouds on alien worlds are such a long-standing issue – ...