Adeel Hassan

A tech start-up’s stunt in San Francisco tested the boundaries of combat sport safety and regulations.

An appellate court in Arizona threw out the prison sentence of a man convicted of manslaughter after an A.I.-generated video of his victim was played in court.

New Jersey officials said that the natural gas-powered generators, each the size of a tractor-trailer, were operating without permits.

Kent Hups, a high school science teacher in Colorado, discovered a 23-foot trackway of fossilized dinosaur footprints, which offer a glimpse of how the apex predator moved 66 million years ago.

Samuel Tunick, who faces a felony charge for deleting his phone’s data during an airport customs search, called the government’s peering into people’s private lives “creepy.”

The milestone by the private company, LandSpace, could put China closer to challenging SpaceX’s rule in lower-cost spaceflight.

A new Google Earth tool allowed the creation of A.I. deepfake maps. The tech giant quickly pulled it back after a backlash and concerns about disinformation risks.

Federal prosecutors charged a man returning to the United States with obstruction because he gave them a passcode that erased his smartphone during a customs search.