The San Francisco Public Utilities Commission will spend the next seven weeks improving public access to Ocean Beach and ...

It's like watching a natural disaster in slow motion, he said. “It’s a city surrounded by an ocean of sand that’s advancing every minute,” El Wely, the president of the local Association for ...

"Shorelines are great locations to look for evidence of past life." Today, Mars is a chilly desert of rock and dust — but 4 ...

Mars may have once had a vast, ice-free ocean, according to new evidence from China’s Zhurong rover. Using ground-penetrating ...