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

Comet 3I/ATLAS is a visitor that will never call the solar system home. Identified on a one-way path that carries it in and ...

Initial analysis suggested the nucleus was approximately 13.7 kilometers wide (roughly city-sized); however, researchers believe this may have been an overestimate. It is likely a long-period comet ...

The MAPS Comet is expected to reach perihelion in early April, passing only 99,600 miles (160,200 km) above the surface of the sun (photosphere). To survive such a close approach, the comet needs to ...

NASA's SPHEREx spacecraft has detected organic molecules on comet 3I/ATLAS, leading scientists to speculate it could be seeding life across the universe.

The interstellar comet 3I/ATLAS has shifted from a routine curiosity to a physics puzzle, as NASA and other teams report that ...

On Aug. 12, 2026 — six months from today — a total solar eclipse will bring a brief totality to Europe. Could aurora and ...

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

Researchers from Auburn University have discovered hydroxyl gas coming from the interstellar comet 3I/ATLAS, a clear chemical sign of water. The Swift Observatory also detected a faint ultraviolet ...

A meteor triggered a flurry of fireball sightings on Feb. 10 ...

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Lyrid meteor shower 2026 peaks on April 22. Learn when to watch, viewing times, expected meteor rates, and key facts about the annual April sky event ...