Volcanic caves are not just an Earth thing. Scientists have spotted signs of lava tubes on the Moon and Mars. Now, researchers at the University of Trento say they have strong evidence that one exists ...

Deep research, which OpenAI first launched last year, has ChatGPT scour the web to compile an in-depth report about the topic ...

More than two dozen privacy groups are urging California Governor Gavin Newsom to remove covert license plate readers in ...

At SLAC National Accelerator Laboratory in Menlo Park, scientists from across the globe are using advanced X-rays to find a long-lost map of the galaxy by ancient Greek astronomer Hipparchus.

Even Wall Street takes days off. The regular schedule for the New York Stock Exchange and Nasdaq is Monday through Friday from 9:30 a.m. to 4 p.m. Eastern time with weekends off. There are also ...