Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

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

Alien spaceships are in a league of their own, though. Earth does have a force field that could make a spacecraft landing ...

Is 3I/ATLAS an alien probe? Breakthrough Listen uses the Green Bank Telescope to search for technosignatures as the ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

Why is ‘Mars’ trending on Google Trends today, December 25? Yes, the planet is all that everything is talking about– what ...

Interstellar object 3I/ATLAS, the third such visitor ever observed, is exhibiting unusual energy and chemical behavior as it ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

One of Vanga’s most dramatic predictions concerns World War 3, which she reportedly said could begin in 2026. She is believed ...