From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Venus and Mars may have once supported life. This video explores the evidence and theories surrounding the potential for life on these planets. #space #aliens #nasa ...

Mysterious rocky exoplanet with cratered surface floating in front of a colorful cosmic nebula filled with glowing stars, galactic dust and bright light flares in deep outer space. Dramatic astronomy ...

A strange world just 47 light-years from Earth is rewriting what scientists thought they knew about alien planets. Hidden ...

Vladimir Putin jokes that interstellar comet 3I/ATLAS is a 'secret weapon' as the mysterious object sweeps past Earth.

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

Of everything we wrote this year, you loved reading about MAGA turning on their own, tech billionaires being whiny little ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

Amid an outpouring of obesity data Monday, Wave Life Sciences and Structure Therapeutics were among the biotechs jockeying to set their weight loss assets apart in an increasingly crowded field as ...