The surface of comet 3I/ATLAS may have been so radically altered by cosmic rays that deducing its home star system would be ...

After briefly escaping from Earth's view during a (very) close approach to the sun on Oct. 30, Comet 3I/ATLAS can finally be ...

NASA's Mars Reconnaissance Orbiter used its camera to take high-resolution images of interstellar object 3I/ATLAS. We have ...

Mars is about to receive a double dose of attention. This weekend, a pair of identical NASA satellites will launch together ...

If Christopher Nolan's sci-fi movie Interstellar has you wanting more emotional sci-fi journeys, here's an assortment of ...

The first dual-satellite mission to another planet, NASA's ESCAPADE (Escape and Plasma Acceleration and Dynamics Explorers), is scheduled for launch no earlier than Sunday, Nov. 9, from Cape Canaveral ...

While NASA has confirmed that 3I/ATLAS poses no threat to Earth, the mystery deepens as the comet prepares for its closest ...

Known as 3I/ATLAS, the interstellar comet is now visible from Earth, and you don’t need a giant observatory to catch a ...

Scientists believe 3I/ATLAS contains significant amounts of carbon dioxide, similar to comets formed in cold, distant star ...

Interstellar comet 3I/ATLAS is expected to reappear soon after moving out of the Sun’s glare, allowing astronomers and skywatchers to observe its path and study its rare interstellar origins.

Whenever someone talks about black holes, they almost always talk about the event horizon and the singularity. After all, ...

Is 3I/ATLAS 'alien tech'? Harvard's Avi Loeb details 8 anomalies, including a Jupiter trajectory that 'defies spacetime,' as ...