Desert temperatures can fluctuate greatly between day and night, due to the poor heat-retaining properties of sand and a lack of humidity.
Earth's last magnetic flip 42,000 years brought environmental change and extinctions. Could that happen now?
The chunk of space rock that killed the nonavian dinosaurs may have been a piece of a comet that Jupiter's gravity kicked onto a collision course with Earth.
Hurricanes have more than doubled in strength since 1955, increasing at a rate of 6mph every decade. Now researchers better understand exactly why.
The world's largest iceberg has disintegrated into an 'alphabet soup' of mini ice island, new NASA imagery shows.
Unusual weather blanketed the Acropolis with snow on Tuesday (Feb. 16), turning the iconic UNESCO World Heritage site in Athens into a scene from a holiday card.
An 'ice volcano' has formed above a hot spring in the Almaty region of southeastern Kazakhstan. What is causing this unusual phenomenon?
Hawaii has seen the second-largest covering of snow on the mountain peaks of Big Island since recordings began.
For a billion years Earth's mountains stopped growing, and may have starved the sea of nutrients, new research finds.
Part of a glacier collapsed in the Indian Himalayas, triggering an avalanche that destroyed one dam and damaged another. Hundreds are feared missing or dead.
Sea levels will probably rise faster than the most mainstream climate models predict, according to a new study.
Scientists have finally uncovered some of the basic chemical properties of einsteinium — one of the hardest elements to study.
At least twice, the Arctic Ocean was a freshwater pool cut off from other oceans and capped with almost 3,000 feet of ice.
Blame plate tectonics for Earth’s mountains, earthquakes, volcanoes, and why its continents fit together like pieces of a giant jigsaw puzzle.