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When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the third of its kind ever known, astronomers at Michigan State ...

They’ve got their Is on the prize. China’s Tianwen-1 orbiter has captured an image of 3I/ATLAS during its flyby of Mars, furthering efforts to shed light on the interstellar anomaly — which some have ...

This striking image from the science camera on ESA's Jupiter Icy Moons Explorer (Juice) shows interstellar comet 3I/ATLAS spewing dust and gas. The tiny nucleus of the comet (not visible) is ...

NASA’s latest tracking data show that interstellar comet 3I/ATLAS is not just racing through the solar system, it is accelerating in a way that standard gravitational models struggle to explain. The ...

We’ve likely had at least one close encounter of the 3I kind before. Harvard scientist Avi Loeb claims that not only does 3I/ATLAS potentially have alien origins, but that this wouldn’t be the first ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...