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

3I/ATLAS, the interstellar comet that sparked debate among scientists due to speculation about its possible alien origins, is now on its way to the outer limits of the solar system. Despite the ...

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 ...

It may have made its closest approach to Earth last month, but the mysterious interstellar object 3I/ATLAS continues to fascinate astronomers as it now careens back out of the solar system, never to ...

All the months of conspiracy with 3I/Atlas, and whether it is an alien spaceship, might have finally got an answer. When the mysterious interstellar visitor 3I/ATLAS entered our solar system in July ...

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 ...

If you’ve ever had the very specific desire to rack up credits by betting on the lifespans of digitally simulated alien babies, now you can. The Space Warlord Baby Trading Simulator game offers ...

Since the interstellar object (ISO) 3I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it may somehow contain evidence of ...

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, ...

3I/ATLAS is only the third interstellar object ever observed traveling through the solar system, following 1I/'Oumuamua in 2017 and 2I/Borisov in 2019. Each encounter has sparked fascination—and ...

An alien comet, a Martian volcano, a man’s fall from the sun and a groundbreaking telescope’s first images: Here are the most jaw-dropping space photos of 2025. When you purchase through links on our ...

COMET 3I/ATLAS was approximately 169,150,000 miles away traveling at approximately 125,000 mph when I imaged it early morning 12/20/25 . It was one day past its closest point of approach to Earth.