Our galaxy is full of strange worlds, but what would happen if we could bring some of them into our own Solar System? Moving exoplanets closer helps us imagine how different stars, atmospheres, and ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

As far-fetched as it may seem, quirks of orbital mechanics could allow hundreds of planets to be packed around a star ...

Japanese space agency JAXA has successfully launched a mission to visit the moons of Mars — and bring a sample back to Earth.

Discover how WASP-189b, a scorching alien world, mirrors its star's composition, reshaping the search for Earth-like planets ...

Scientists believe there are planets outside our solar system where life is even more abundant and sustainable.

Water behaves very strangely under extreme conditions beyond Earth, according to researchers at the University of Nevada.

Observations from NASA's Webb telescope have revealed detailed chemical fingerprints from catastrophic, planet-shattering collisions in other solar systems.

The James Webb Space Telescope has observed water clouds on an alien world for the first time, and it's not a planet. Credit: ...

Self-described UFO expert Scott C Waring says a rectangular shape in a solar image is a huge alien spacecraft, but its size, ...

(Mark Garlick/Science Photo Library/Getty Images) The cosmos wavers between predictable stability and wild chaos, which troubles our sense-seeking brains. In our local Solar abode, the stability of ...

The interstellar object, or the alien ship, travelling towards the inner solar system, will reach Earth and put its plan into action between November 21 and December 5, 2025. This is what Harvard ...