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

Astronomers do not have a photo of Kepler-22b, but they used the so-called 'transit method' to detect it from 640 light-years away. Credit: NASA / Ames / JPL-Caltech illustration In Apple TV’s ...

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

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 ...

No known process explains how such a carbon-heavy planet as PSR J2322-2650 b could form, according to new research. Credit: NASA / ESA / CSA / Ralf Crawford illustration Astronomers have found a ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

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 confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

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 ...