A U.K. startup wants to be the SpaceX of the deep sea, and hopes to establish a permanent human residence on the ocean floor ...

U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" ...

From the deck of a small blue-and-white boat, Bashiru Bangura leaned forward and peered into the ocean ... plants with flat, ribbon-like leaves — are one of the world’s most productive ...