High-energy particles rain down on Earth constantly, but scientists have now detected a doozy: a neutrino blasting in from ...

The Axial Seamount is a massive undersea volcano that reaches more than 3,600 feet above the seabed, 300 miles offshore. It last erupted in 2015 but has a history of more than 50 different ...

The emerging view among Western spy agencies that accidents — and not Russia — are likely to blame for the undersea damage was dismissed by some critics of Russia. Pekka Toveri, who represents ...