Whale watch boats and the Coast Guard are resuming their search off Southern California for a blue whale entangled in hundreds of feet of fishing line.
SpaceX launched an observatory inspired by former Vice President Al Gore toward a solar-storm lookout point a million miles away Wednesday.
At just a bit over crop duster height, University of Michigan researchers are flying through a 50-square-mile hotspot of the greenhouse gas methane over the U.S. Southwest.
An unmanned Dragon spaceship splashed back to Earth on Tuesday after a successful supply run to the International Space Station but its owners were forced to scrub the launch of an important weather satellite on the other ...
Tropical Storm Dolphin transitioned into an extra-tropical storm and NASA's Aqua satellite captured an image of the storm on its way toward the Sea of Okhotsk.
Scientists are working to pinpoint the source of a giant mass of methane hanging over the southwestern U.S., which a study found to be the country's largest concentration of the greenhouse gas.
For the third time in a decade, the globe sizzled to the hottest year on record, federal scientists announced Friday.
U.S. scientists on Tuesday completed a nearly two-week mission to explore waters around the U.S. Virgin Islands as part of a 12-year project to map the Caribbean seafloor and help protect its reefs.
Five hundred feet beneath the ocean's surface, a robotic submarine is bumping into a grove of bone-white coral in the waters off the Channel Islands.