Only four other comets have ever shown such activity while approaching from more than 20 astronomical units (AU) from the Sun ...

A comet called ATLAS dazzled the southern skies for the last few weeks. Now it's heading out of view for half a million years ...

Beautifully captured against a starry sky, Comet C/2024 G3 (ATLAS) — dubbed by some as the "Great Comet of 2025" — shines ...

G3 (ATLAS), the 'Great Comet of 2025,' lit up the night sky in Chile, offering a rare and breathtaking sight for stargazers, ...

The triple star system is sending comets, asteroids and meteors our way, and the number of interstellar objects entering the solar system will rise.

For context, the Oort cloud is a spherical shell of comets and icy bodies that exist out beyond the orbit of Neptune, which is located around 2.8 billion miles (4.5 billion kilometers) from the sun.

The comet was last seen in Earth's skies in 1986, Halley’s orbit period is on average, 76 Earth years. This corresponds to an orbital circumference around the Sun of about 7.6 billion miles (12. ...

Scheeres teamed up with colleagues from CU Boulder, Purdue University and several other institutions to discover that the bodies of some comets that orbit the sun may split and reunite in a repeating ...

Located far beyond the orbit of Pluto, some scientists think the Kuiper Belt is the source of water for the inner solar system where Earth is located, delivered through comets billions of years ago.

Discovered on April 5, 2024 by the Asteroid Terrestrial-impact Last Alert System (ATLAS), it is a nonperiodic comet that's traveling on an orbit that won't bring it back to the sun's neighborhood ...