The Congo River is a long, arcing river in West-Central Africa, featuring a rainforest and providing food and transport for 75 million people.
Tropical storm Isaias strengthened into a category 1 hurricane before hitting North Carolina last night, bringing rapid flooding
New NASA imagery shows that the St. Patrick bay ice caps have vanished from Arctic Canada, two years sooner than scientists predicted
Isaias is expected to bring strong winds and heavy rainfall from the Carolinas to the Mid-Atlantic coast
Hanna, the first hurricane of the Atlantic season, is walloping southeast Texas and northeast Mexico with heavy rains and dangerous flash flooding, according to the National Hurricane Center.
Tropical Storm Hanna, now packing maximum sustained winds of 75 mph (120 km/h), has become the first Atlantic hurricane of the season, as it treks west toward the coast of Texas
Researchers detected the first underwater methane leak in Antarctica, and the microbes responsible for eating it aren't doing their job.
A strange magnetic anomaly at St. Helena could shed light on whether Earth's magnetic poles are about to swap places.
After the Bighorn Fire burned a large area near Pima County, Arizona, a river of dark sludge rushed toward town.
A big earthquake at Ridgecrest could trigger the Garlock fault, which would in turn trigger the San Andreas.
Each year, dust from the Sahara Desert blows off Africa and across the Atlantic, but most years that plume isn't so massive it's nicknamed "Godzilla."
Directional changes in Earth's magnetic field happen far more rapidly than previous calculations suggested, according to new simulations.
Located about 66.5 degrees north of the Equator lies the Arctic Circle — a line of latitude that outlines the border of Earth's northernmost region known as the Arctic.
Thick ice isolates a hidden ocean cavity from the furious winds and freezing air temperatures of Antarctica. But nothing stops the tides.
Scientists may finally understand the mysterious transition behind a century-old chemistry experiment involving metals.
A lightning bolt that traveled 440 miles across the sky of southern Brazil in 2018 has been confirmed as the biggest in history.