Planet Earth

Earth from space This 2015 photo from the International Space Station showcases the deep tidal channels that cut through a line of cays in the Bahamas. Astronauts say it is "one of the most recognizable points on the planet."

Mount Everest may be "taller than it should be" because of a river "capture" event 89,000 years ago.

The speed and direction of deep currents off Mozambique’s coast are more subject to change than scientists expected.

Researchers recently surveyed the bottom of Lake Michigan after spotting strange circles on the lakebed in 2022. New observations show the circles are craters, but how they formed remains unclear.

Every year, record-seeking surfers and spectators descend on the small Portuguese town of Nazaré for the "big wave" season, when water can surge up to 100 feet (30 meters) tall.

Hurricane Helene has been intensifying with the help of unprecedentedly warm waters in the Gulf of Mexico and is now barreling toward Florida.

Here's one reason why the 2024 Atlantic hurricane season has had such few storms.

Plants found to photosynthesize 160 feet beneath the surface of the Arctic Ocean offer tantalizing prospects for the future.

The Antarctic ozone hole usually starts forming in early August, but rare warming events and a strangely elongated polar vortex this year may have delayed its arrival.