Michigan State University and NASA researchers discover seven dark comets that reveal new solar system secrets.

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.

Comet ATLAS (C/2024 G3) came three times closer to the sun than Mercury on January 13—and this may have changed it ...

Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13 as it reached its perihelion, and is now disintegrating.

G3 (ATLAS) is now visible in the post-sunset night sky. It's best seen in the Southern Hemisphere, but it's visible north of ...

G3 may be hard to see due to weather patterns and the California wildfires, said Tim Brothers of the Massachusetts Institute ...

Reintroducing Hawaii's sacred crow, how desert ants find their way, pterosaurs paddle-like tails, and how gophers rebuild ...

Ritzau Scanpix/AFP via Getty Images Comet Atlas C/2024 G3, discovered by the Atlas Survey System, has been slowly approaching the inner solar system and will reach perihelion, its closest point to ...

A celestial event 160,000 years in the making will grace the night sky this week, as Comet C/2024 G3 (ATLAS) makes its rare ...

Because the period of an object does not depend on its mass, comets’ orbital periods remain unchanged due to mass loss.

On Monday night you may have a chance to witness the moon obscuring the Red Planet at its brightest, as well as a comet’s ...