3I/ATLAS is surrounded by “a complex jet structure,” new images show, sparking fresh speculation that the Manhattan-sized interstellar object could be an artificial alien craft. The images, captured ...

Here’s what you’ll learn when you read this story: Object Arjuna 2025 PN7 was thought to be a meteorite in an Earthlike orbit, but that is now being questioned. The new hypothesis suggests that 2025 ...

New images reveal the Manhattan-sized interstellar object 3I/ATLAS has started to sport a tail, indicating that it could possibly be a “maneuvering” alien craft, one Harvard scientist suggested. After ...

In 1977, the Ohio State University’s Big Ear radio telescope received an unusually strong narrowband radio signal, leading to widespread excitement about the possibility of having encountered evidence ...

But the surprises just keep coming. The mysterious entity, which was first spotted hurtling towards the Sun from far beyond in early July, has fascinated researchers ever since. As Science Alert ...

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for billions of years, carrying pristine material from another star system Jay ...

"When you put it into context, Punctum is astonishingly bright." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A bewilderingly powerful mystery ...

An interstellar object currently hurtling through our solar system will loop around the sun and disappear back into the remote depths of the cosmos within months. Astronomers will be able to capture ...

The comet 3I/ATLAS moves against a backdrop of stars. The ATLAS survey telescope in Rio Hurtado, Chile, was the first to report that the object came from interstellar space. ATLAS / University of ...

There is a growing buzz in the astronomy community about a new object with a hyperbolic trajectory that is moving toward the inner Solar System. Early on Wednesday, the European Space Agency confirmed ...