But what is the science behind extraterrestrial life? Is it possible that humans will ever experience "first contact" with an ...

Experts at the Chinese Academy of Sciences have found a 'Super-Earth' among the stars known as Kepler-725c, which ...

The search for extraterrestrial life has long gone back and forth between scientific curiosity, public fascination and ...

Unravel the mysteries of extraterrestrial communication! From Tesla's Martian message to the Arecibo Message, Pioneer Plaques ...

When astronomers announced last month they might have discovered the most promising hints of alien life yet on a distant ...

A series of studies have cast doubt on the sensational claim that "the strongest evidence yet" was found that life exists ...

"Until we can separate these signals more clearly, we have to be especially careful not to misinterpret them as signs of life ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

It might or might not be the smell of aliens, but dimethyl sulfide — and its funky odor — definitely gets around ...

Astronomers are developing plans and technology for increasingly powerful space telescopes. For instance, NASA is working on its proposed Habitable Worlds Observatory, which would take ultrasharp ...