Aliens may have been trying to contact humans for years, suggests new research. But stellar “space weather” could mean radio signals from friendly extraterrestrial intelligence get lost in space, say ...

ET could be phoning home, but we’re ghosting him, a new study has suggested. The search for alien life often brings up images of men in black and cover-ups at the highest levels of government. But why ...

Add Yahoo as a preferred source to see more of our stories on Google. The great physicist Enrico Fermi first posed the challenging question over half a century ago, wondering why we appear to be alone ...