I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it ...

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

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 the alert fighter jets lined along the runway.

From declassified Pentagon files to NASA briefings, we trace the most talked-about UAP clips and what the sensor data ...

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 ...

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 ...

NASA’s James Webb Space Telescope has found the most compelling evidence to date that a rocky planet beyond the solar system may have an atmosphere. Although it’s not Earth-like, a planet called ...