When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what ...

Raelle Gann-Owens via Unsplash In the pristine waters around the Pacific islands east of Australia, rocky reefs connect the sandy beaches to deep ... photos show, with a mixture of blue and ...

"The change of seasons causes surface melting far inland from the coastal ice front," glaciologist Christopher Shuman said.

In the pristine waters around the Pacific islands east of Australia, rocky reefs connect the sandy beaches to deep water ... large eyes, photos show, with a mixture of blue and yellow in the ...

Our writer visited several Bob Dylan sites in Minnesota and came away feeling nostalgic for a kinder, simpler time ...

New images from the North Sea show never-before-seen landforms that were carved by a single, colossal ice sheet 1 million ...

This groundbreaking deep sea radar has the potential to turn China’s submarines from prey to predator in the game of anti-submarine warfare. If an aircraft is equipped with cutting-edge sensors ...

LONDON—For around a decade, the Russian spy ship Yantar has crossed the globe and loitered over undersea cables in what Western officials suspect is an attempt by the Kremlin to map vital ...

So, as the U.S. sees an uptick in crewed spaceflight operations, the military wants to make sure it can support astronaut retrieval at sea if needed. Members from several military outfits came ...

In the first image from November 2022, the underwater mud volcano is solidly beneath sea level, with no discernable land peeking out from the water. But following an eruption in early 2023 ...