Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

Scientists have identified an unexpected way to study the hidden space weather of distant stars by observing strange, ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

Archaeologists thought they found wires buried on a farm. It was actually Viking treasure. How Many Steps a Day Can Prevent ...

Celebrated UK-based comic book artist Jock (Absolute Batman) shares a piece of concept art for Hulu's acclaimed "Alien: Earth" series.

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

NASA has temporarily stopped part of its investigation into possible signs of life on a faraway planet, after two years of ...

New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown. When you purchase through links on our site, we may earn an affiliate ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

Astronomers have just confirmed for the first time the existence of a "rogue planet"—a world drifting in space without being ...