What would happen if we discovered alien life right here in our solar system? From the icy oceans of Europa to the methane ...

Astronomers have catalogued more than 6,000 planets beyond our solar system. None has settled the question that matters: is ...

Cracks along a giant Martian volcano, possibly above a magma chamber, might be spewing magmatic gases into the atmosphere, ...

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

Frank Herbert’s Dune, William Gibson’s Neuromancer, and Mary Shelley’s Frankenstein are sci-fi books you should add to your ...

(NASA/ESA/D. Jewitt/UCLA/J. DePasquale/STScI) Exiled interstellar visitors like comet 3I/ATLAS are time capsules from the ...

It’s a dizzyingly busy time for scientists searching for life on distant planets. To date, astronomers have cataloged more ...

Finding a signal from an extraterrestrial civilization takes more than just pointing a telescope in the right direction. We ...

(BlackJack3D/iStockphoto/Getty Images) Water is crucial for life to flourish, which is why it's something scientists search ...

From the classic alien tale Solaris to the modern masterpiece The Three-Body Problem, these sci-fi books are genuinely ...

Researchers tested whether they could detect unusual radio signals coming from an interstellar object passing through our ...

JWST measurements reveal unusual chemical signatures in 3I/ATLAS, suggesting the interstellar comet formed in an extremely ...