From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Scientists warn humanity that the first contact with an alien civilisation may be loud, chaotic and extreme, potentially ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

“Hollywood has preconditioned us to expect one of two types of alien contact, either a hostile invasion force or a benevolent ...

Humanity is on the way to confirming the existence of non-human entities and making contact with aliens within the next 50 ...

What is the most realistic way we'll detect an alien civilization? If the history of science and astronomy is any guide, ...

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

Sometimes you only need one of these big guys to come your way,” observed Julián Alvarado-Gómez of the Leibniz Institute for Astrophysics Potsdam. These comments evoke the significance of the recent ...