The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

Comet MAPS (C/2026 A1), a "Kreutz sungrazer,” will skim the sun in early April and may put on a brief, dramatic show low in ...

A newly discovered comet is rapidly brightening and could become visible from Earth — if it survives an extreme close encounter with the sun on April 4.

Could Comet C/2026 A1 (MAPS) be the next "Great Comet"? Discovered in January, this sungrazing comet may be visible in broad daylight this April.

The newly discovered object dubbed the Great Comet of 2026 may become visible to the naked eye during its close solar pass in April.

It ain't from around these parts of space.

Comet 3I/ATLAS continues to make astonishing headlines, thanks to new findings from astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA). This new research reveals that 3I/ATLAS ...

A visitor from another star system is creating excitement in the astronomy community. The comet 3I/ATLAS which was first spotted in July 2025 contains chemical clues that scientists can use to ...

Astronomers using ALMA have found large quantities of methanol in comet 3I/ATLAS, making it one of the most alcohol-rich ...

NASA's DART mission didn’t just change the orbit of Dimorphos, the asteroid it hit. It changed the orbit of the larger ...

The two green comets continue to shine brightly in twilight each evening for lucky skywatchers with binoculars in the Northern Hemisphere. For observers on Friday, Oct. 24, the bright Comet Lemmon ...