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

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

What if the government offered you a one‑way ticket to another planet? This video explores the astonishing story of a secret human‑alien exchange mission that sent astronauts 40 light years from Earth ...

Scientists using NASA’s James Webb Space Telescope have found a unique planet in another star system that’s shaped like a lemon. The lopsided Jupiter-style planet is so bizarre that it may blur the ...

Exoplanet TOI-561 b is the closest of four worlds orbiting a 10-billion-year-old G-type star roughly 280 light-years from Earth. - NASA / ESA / CSA / Ralf Crawford illustration NASA’s James Webb Space ...

NASA’s James Webb Space Telescope has found the strongest evidence yet that a small, rocky planet outside our solar system has air, even though it orbits precariously close to its star. The exoplanet, ...

For the first time, scientists have directly detected molecules in a Frisbee of gas and dust swirling around an alien gas-giant planet. “I didn’t think this was possible,” says astronomer Sierra Grant ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

Don’t expect a straightforward timeline, because continuity is a mess with the Alien and Predator timelines (even if, as in this list, you choose to ignore tie-in comics, novels, and games). Predator: ...

Astronomers using the James Webb Space Telescope have made the first 3D map of an alien planet's atmosphere, revealing extreme temperature swings on the exoplanet WASP-18b. When you purchase through ...

This quiz invites you to embark on a journey across the galaxy, exploring the science and wonder behind exoplanet discovery. When you purchase through links on our site, we may earn an affiliate ...