Our time with our interstellar visitor, comet 3I/ATLAS, is almost up. It’s set to leave the solar system soon, after zipping ...

Learn more about the interstellar traveler, Comet 3I/ATLAS, and what researchers know about its place of origin.

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

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

"Each interstellar comet brings a little bit of its history, its fossils, from elsewhere." ...

The farthest spacecraft from Earth has shut down another instrument in the hopes of buying time for an upgrade that could ...

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

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system. But it may not be around much longer. The otherworldly visitor to ...

The probe launched almost 50 years ago and is the farthest human-made object from Earth. Shutting down one of its scientific ...

A mysterious interstellar comet has been taking a tour of our solar system in recent months, garnering intense interest from astronomers and space enthusiasts alike. Comet 3I/ATLAS is only the third ...

Research findings are available online in the journal Nature Astronomy. The original story “ Interstellar Comet 3I/ATLAS ...

The LECP has been operating almost without interruption since the Voyager 1 and 2 probes launched in 1977. Meanwhile, the ...