NASA’s SPHEREx space telescope has observed interstellar comet 3I/ATLAS flaring dramatically months after its closest pass by ...

The comet is now racing away from the sun following a close flyby on Jan. 20.

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

On February 17, the comet will make its closest approach to Earth from 94 million miles, roughly as far as the Sun.

A new comet approaching the sun has caught the attention of astronomers, primarily because of its lineage. It appears to ...

The Gemini North telescope snapped a spectacular view of Comet C/2025 K1 (ATLAS) breaking apart as it emerged from the other ...

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

Initial analysis suggested the nucleus was approximately 13.7 kilometers wide (roughly city-sized); however, researchers ...

Comet Wierzchoś, also known as C/2024 E1, is rapidly brightening as it approaches its closest point to Earth next week. But ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

NASA’s SPHEREx mission observed infrared emissions from interstellar comet 3I/ATLAS, documenting changes in dust, gas, and ...

Space around the Sun contains far more than planets. Scattered through it are smaller bodies made of rock, metal, ice and ...