A new comet was recently discovered that will be making an extremely close flyby of the Sun, which if it survives could make it visible during the day.

NASA’s SPHEREx telescope observed a dramatic outburst from interstellar comet 3I/ATLAS after its October 2025 solar flyby.

The newly discovered sungrazing comet C/2026 A1 (MAPS) will undergo an extremely close slingshot around our star in early ...

Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets ...

SPHEREx detected a mix of molecules streaming off the comet, including water ice, carbon dioxide, and rocky material.

NASA released close-up images on Wednesday of the rare interstellar comet that's making a single pass through the solar system. One of the images shows the comet, also known as 3I/ATLAS, as it moves ...

Comet C/2025 K1 ATLAS, a relatively new visitor from the outer solar system, has broken apart after swooping close to the Sun ...

Comets usually fade quietly once they swing past the Sun. Interstellar comet 3I/ATLAS did not follow the same path. Instead, ...

NASA's infrared telescope SPHEREx captured stunning images of interstellar comet 3I/ATLAS as it exited the solar system.

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial ...

The breakup was caused by the extreme conditions near the Sun; during its latest approach, C/2025 K1 flew as close as 0.334 ...

Is it alien? Is it natural? Those questions have followed the interstellar comet known as 3I/ATLAS since it entered our solar system last year from beyond our own star system. A new study released ...