Nearly 5,000 exoplanets had been discovered at the time of the video, but the worlds closest to Earth may give us our best opportunity to learn what alien planets are actually like. Proxima Centauri ...

Given the size and age of the universe, it should be full of species with technology far more advanced than our own. But so far there is no trace ...

If you thrill at the discovery of new exoplanets, hold tight. A sextuplet alien solar system has been glimpsed in exquisite detail, revealing six planets of varying mass, five of which are packed ...

Decades before blockbuster CGI aliens, artist Wayne Barlowe designed an entire ecosystem for his book "Expedition" — later turned into the Discovery Channel special "Alien Planet." ...

Scientists have quietly rewritten the global rulebook for what happens if alien intelligence is ever detected, updating long‑standing 'first contact' plans in 2026 to prevent panic and confusion in an ...

Scientists have identified two possible exoplanets where aliens could have lived for five billion years before life on Earth ever began. The planets could exist in our own Milky Way galaxy and share ...

You've probably heard the theory before – it's that the octopus is not from earth. They're aliens. They are so different from anything else on this planet, that they must have come from a different ...

Back in the spring of 2018, a SpaceX Falcon 9 rocket launched into space something that at the time was NASA’s most ambitious project aimed at discovering new alien worlds in solar systems far away.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...