Scientists discover 26 new bacterial species in NASA cleanrooms, revealing surprisingly resilient microbes with potential ...

The night was warm and muggy over New Castle Air Force Base in Delaware, the kind of heat that clung to the metal skins of ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

From declassified Pentagon files to NASA briefings, we trace the most talked-about UAP clips and what the sensor data actually supports. We follow cases like the MQ-9 “metallic orb,” long-duration ...

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

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

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

The trove contained hundreds of photographs; notable figures that appear in them include Bill Clinton, Prince Andrew, Michael ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

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 ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...