Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

The US government's registration of alien.gov and aliens.gov has triggered global speculation about a potential UFO ...

This artistic illustration shows the TRAPPIST-1 red dwarf star system, home to seven Earth-sized exoplanets, several of which ...

A new catalog of potentially habitable exoplanets provides the framework for future observations in the search for alien life ...

Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond ...

Astronomers have reportedly narrowed the search for extraterrestrial life to a focused list of 45 rocky exoplanets. Out of ...

Life beyond Earth: Using fresh data from ESA’s Gaia mission, scientists have found 45 rocky planets that might have the right ...