Shark and ray populations are struggling across the world due to overfishing and other threats. A new report delineates 816 areas of the ocean that should be protected to help them recover. The report ...

The Atlantic Ocean has long been treated as a permanent fixture on world maps, a blue expanse separating North America from Europe and Africa. Yet a growing body of research suggests this basin is far ...

A NASA mission is underway to map the heliosphere, which is a huge protective bubble around the solar system that was created by the sun.

What is a continent when over 94 percent of it is under the water? Zealandia is an extensive belt of continental crust around ...

Astronomers have produced the most detailed map yet of dark matter, revealing the invisible framework that shaped the Universe long before stars and galaxies formed. Using powerful new observations ...

Daily diets vary considerably around the world.

A hidden “tear” beneath the continents may have been fueling oceanic volcanoes for millions of years, study reveals.

President Trump has not authorized military action in Iran, but the U.S. has built up its presence in the region in recent days.

The King's Trough Complex is a several-hundred-kilometer-long, canyon-like system of trenches on the North Atlantic seafloor.

The astronauts in the International Space Station experience sunsets every day. One of the latest photos of sunset is a space photograph taken by an astronaut. Space is no less impressive standing on ...