Large rivers once flowed on Mars and emptied into an ocean before the planet's surface dried up billions of years ago.

Comet Lemon will be in the heart of the constellation Boötes, the Herdsman, as it makes its closest approach to Earth on Oct.

Auburn University physicists have detected water activity in comet 3I/ATLAS, marking the first time hydroxyl gas, water's chemical signature, has been observed from an interstellar visitor.

A powerful new telescope in outback Australia has mapped vast areas of the universe in record-breaking time, revealing a million new galaxies and opening the way to new discoveries, the country's ...

NASA's James Webb Space Telescope finds a red supergiant star before it exploded, offering new clues to why their supernovas ...

Two newly discovered comets are streaking across the sky in a spectacular display as they make their closest approaches to ...

These starless worlds are difficult to find and study, but this particular one is teaching us new lessons about the universe.

Anyone who studies planetary formation would relish the opportunity to get a close-up look at an interstellar object. Sending ...

In the shadow of SpaceX, Rio Grande Valley students will have a chance to build their own rockets and launch them 11,000 feet ...

This game has had a little bit of everything so far. Trea Turner bunting in the top of the 1st. Aaron Nola going two innings ...

Astronomers have captured the most detailed view yet of a red supergiant star just before it exploded, hidden beneath layers ...