The interplanetary comet 3I/ATLAS is remarkably rich in a specific type of water that contains deuterium, meaning it came ...

The third confirmed interstellar body to visit our solar system is being revealed as a time capsule from a very different ...

Rare interstellar comet 3I/ATLAS is revealing clues about the early Milky Way, offering scientists a glimpse into conditions ...

A massive interstellar object passing through our solar system during its formative years likely altered the orbits of planets into trajectories observed today, a new study says. Interactions with ...

A new study suggests that the comet that rambled past us from another star last year likely originated in a cold, isolated ...

A comet born around another star is carrying methane, and the chemical details of that methane are unlike anything ...

NASA's SPHEREx space telescope reveals widespread water ice in Cygnus X, showing how dust shields molecules in star-forming ...

A new intriguing study of the interstellar visitor 3I/ATLAS has revealed that the object’s chemical composition shifted ...

As grad school approached for astrophysics senior Atsuhiro Yaginuma, he did not know what he wanted to study. That was until July 1, when the third ever interstellar object — a body originating from ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

Ever since interstellar object 3I/ATLAS streaked into our solar system, astronomers have been scrambling to understand how this likely comet got here—and more importantly, perhaps, where it came from.

NASA's SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) mission has ...