"It's exciting to see A23a on the move again after periods of being stuck," oceanographer Andrew Meijers said.

Here’s how it works. Astronomers have analyzed the largest map of the universe — and found that Einstein was right yet again about gravity, according to a series of new studies. The analysis ...

The Vera C. Rubin Observatory is about to get outfitted with the world's largest digital camera, which will allow it to map the entire southern sky over a decade, including more than 20 billion ...