Scientists have discovered an ancient lake below Greenland's ice that formed when the region was much warmer and ice-free.
Tropical storm Theta cements the 2020 Atlantic hurricane season's status as a record-breaker. And there's still time to run up the score.
Iceberg A68a, the world's largest iceberg, is floating directly toward a wildlife hotspot in the South Atlantic ocean.
Researchers have designed specially-adapted drones to fly straight into volcanoes and help gather data from an active volcano in Papua New Guinea.
If anyone's trying to wake some dark spirits, tonight's the night. A "blue moon" and "beaver moon" will rise over All Hallow's Eve.
Scientists have discovered a free-standing reef near Australia's Great Barrier Reef, which stands taller than the Empire State Building.
The earthquake caused the collapse of nearly 20 buildings in the city of Izmir. Search and rescue efforts are underway beneath the rubble.
Don't miss the rare appearance of a full moon on Halloween, something that hasn't been seen across the US since 1944.
Arctic sea ice has been in decline for a while now, but 2020 is turning out to be the second-worst year ever — with implications for the whole planet.
Zeta was a weakened tropical storm just yesterday. Now it threatens a huge swath of the United States.
Alaska's Tongass National Forest was protected from logging and other development for nearly two decades.
Greenland's coastline is being altered by ice melt, potentially affecting predictions of what happens to the ice sheet next.
A new computer reconstruction of the tectonic plates of 60 million years ago reveals the existence of a lost plate called Resurrection.
People thrive all across the globe, at every temperature, altitude and landscape. How did human beings become so successful at adapting to whatever environment we wind up in?
Lenticular clouds look like saucers and form when wind meets mountains. This photo is one of the Royal Meteorological Society's favorites of the year.
Here are the winners of the Royal Meteorological Society's 2020 Weather Photo of the Year contest, sponsored by AccuWeather.