New experiments suggest RNA, life’s essential molecule, could have formed naturally on early Earth and even arrived from ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

These dust particles, finer than sand grains, originate from cometary tails and asteroid collisions, posing unseen risks to ...

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

New results from the MicroBooNE experiment rule out the existence of a sterile neutrino, reshaping how scientists think about ...

Fans of the Predator franchise should check out these 15 other movies featuring alien threats, outer-space terror, and ...

While the world slowly passed the first days of the year 2026, the astronauts aboard the International Space Station had ...

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

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

WASHINGTON — A U.S. Space Force and NASA experiment lifted off from Rocket Lab Launch Complex 2 at Wallops Island, Virginia Dec. 18 at 12:03 a.m. Eastern to test a new small-satellite architecture ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...