Tianwen 1 has spotted the solar system's latest interstellar intruder from Mars orbit. China's Tianwen 1 Mars orbiter has ...

Is 3I/Atlas an alien spacecraft or just a really interesting rock hurling through the cosmos? That debate has been raging ...

On Oct. 3, the comet came within about 18 million miles of the Red Planet. Both China's Tianwen-1 Mars Orbiter and NASA's Mars Reconnaissance Orbiter (MRO) captured it. But while NASA's images remain ...

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

In an awesome space-based surprise, China's Tianwen-1 orbiter has sent back intriguing photos of interstellar comet 3I/ATLAS, ...

We've been so engrossed in coverage of 3I/ATLAS that we nearly failed to note another comet currently in Earth's skies. This ...

Usually, sunlight makes cometary gases glow green from diatomic carbon (C2) or blue from ionized carbon monoxide (CO+). With ...

NASA is under growing pressure to release long-awaited images of the rare interstellar Comet 3I/ATLAS, only the third known ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

The new report comes as many world leaders prepare for the U.N.'s COP30 climate summit in Brazil next week — for reference ...

An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in December.

The interstellar comet 3I/ATLAS has a thick irradiated crust that no longer resembles its home star system, simulations and ...