NASA's MAVEN spacecraft, which has orbited Mars since 2014, went quiet abruptly in early December. Efforts to reestablish a connection have been unsuccessful.

Current vehicles, including the Volvo XC40, coordinate innovation and driving in manners beforehand unheard of. Vital to this reconciliation is the

Scientific divers have navigated a series of treacherous dives more than 330 feet deep in an attempt to unravel the mysteries of deep ocean reefs. They’re finding new species — and evidence of both climate change and plastic pollution