Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just ...

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an exceedingly rare discovery: a mysterious object passing through the solar ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a technosignature. Reading time 3 minutes From the moment astronomers discovered ...

Today, Vandenberg is best known for the booming SpaceX launches that send satellites into orbit. But once upon a time, it was a hotbed for UFO sightings, quietly logged by the military. This year, ...