New telescope images show interstellar comet 3I/ATLAS brightening and turning green after solar heating, raising questions ...

During her time in the Peace Corps, former Sun Journal staffer Vanessa Paolella reminded us of the value of showing up.

The interstellar comet 3I/ATLAS reaches its closest point to Earth on Dec. 19, allowing close study with no threat to the ...

NASA’s Hubble Telescope photographed the comet on November 30. At that time, the comet was still very far — about 178 million ...

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. The orbiter, one of three zooming around Mars’ atmosphere, had been working as expected before it ...

Astronauts aboard the ISS conduct science experiments, maintain station systems and share Earth views during Expedition 74’s first full week ...

"As far as we know, no coordination or deconfliction with existing satellites operating in space was performed, resulting in ...

It’s unknown just how many cameos the upcoming Supergirl might have, but thanks to star Milly Alcock, we do know one major ...

Should the mission proceed as planned, it will mark a major step forward for accessibility in spaceflight—sending the first ...

The discovery could bolster efforts to make the U.S. less dependent on China for minerals essential for renewable power.

Daniel has been playing games for entirely too many years, with his Steam library currently numbering nearly 750 games and ...

Astronomers have followed 3I/ATLAS since its discovery on July 1. Hubble photographed it on July 21 from 277 million miles ...