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

Saturn's icy moon Enceladus may be one of the most promising places in our solar system to search for extraterrestrial life.

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

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 ...

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

Astronomers have uncovered evidence of a bizarre, potentially historic discovery: the first moon ever detected beyond our ...

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

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

A mysterious celestial object has arrived from outside the solar system.Last time, I talked about 'Tabby's Star,' where a ...

An interstellar comet appears to carry tiny mixtures of ice and dust resembling material on distant worlds in our own solar ...

Earth would be terrifying if we celebrated Halloween every 11 hours, a possibility on a super-Earth investigated by the JWST, ...