The NASA-funded ATLAS survey telescope in Chile found the comet on July 1. The comet was not visible as it raced behind the ...

Discovered over the summer, the comet known as 3I/Atlas will pass within 167 million miles (269 million kilometers) of our ...

The Hubble Space Telescope and the Jupiter Icy Moons Explorer have captured fresh images of an interstellar comet as the ...

Just yesterday (Dec. 15), the Green River levee was breached, raising the specter of flash flooding in Tukwila, south of ...

On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

Oceans hiding within the crusts of distant moons are tantalizing targets for scientists looking for life beyond Earth ...

Our fundamental understanding of Neptune and Uranus may be completely wrong, say researchers rethinking our solar system.

U.S. lawmakers representing Colorado called the planned NCAR closure “deeply dangerous” and “blatantly retaliatory.” ...

The comet—only the third known interstellar visitor to our solar system—will make its closest approach of the Earth this week ...

"Ultimately, this work may help scientists better predict the impact of space weather across the solar system on longer ...

A month before arriving at its destination, NASA's Interstellar Mapping and Acceleration Probe (IMAP), led by Princeton's ...