Our solar system's famous "invader" might be as old as the Milky Way itself.

New data from the James Webb Telescope has identified an unusually high concentration of deuterium in the interstellar comet ...

In the vast expanse of the cosmos, where time stretches across unimaginable scales, some objects stand out as cosmic time capsules. One such object is the interstellar comet3I/ATLAS, a mysterious ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

The European Space Agency (ESA) has released a video of interstellar comet 3I/ATLAS, constructed from images taken by a probe ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way to Jupiter.

Loeb set imaginations afire last year when he began raising questions about the object’s irregularities.

So it shouldn’t come as a surprise that Harvard astronomer Avi Loeb — who has long posited that mysterious interstellar ...

The interstellar comet 3I/ATLAS, recently discovered in our solar system, could be nearly 12 billion years old. Its ...

A catastrophic new claim has just ripped through the astronomical community, turning an already baffling celestial mystery into a potential global alarm. The interstellar object 3I/ATLAS, which has ...

Is 3I/ATLAS following its heart? Harvard scientist Avi Loeb believes that 3I/ATLAS boasts a “heartbeat”-like pulse that could provide evidence of its artificial origins — potentially even pointing to ...

Add Yahoo as a preferred source to see more of our stories on Google. The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet as it ...