The Greenland ice sheet, nearly 2 miles thick in places, hides a landscape of canyons, mountains, fjords and gem-like lakes.
About a billion years of rock went missing at the Grand Canyon, and scientists now think they know why.
A-74 nearly collided with the ice shelf it split from last February. Such a strong impact may have released an even larger iceberg.
As parts of New England brace for Hurricane Henri to make landfall in New York Sunday (Aug. 22), astronauts and satellites are tracking the historic storm from space.
Scientists attribute the unprecedented event to an unusually long lasting atmospheric event, driven in part by climate change.
Researchers studied geothermal heat flow below West Antarctica, and found that the infamous Thwaites Glacier is being disproportionately cooked from below.
Australian researchers have discovered the widest, and quite possibly the oldest, coral colony in the Great Barrier Reef, which they have named "Muga dhambi."
Three volcanoes in Alaska's Aleutian islands are erupting simultaneously, but are currently not a threat to local communities.
Fires have raged across the Mediterranean for more than a week, burning many villages and forcing thousands to evacuate.
Smoke from massive wildfires in Russia's eastern Siberia region has reached the geographic North Pole "for the first time in recorded history," according to NASA.
Scientists figured out what slammed into Earth and killed the dinosaurs 66 million years ago: a giant dark primitive asteroid from the outer reaches of the solar system's main asteroid belt.
Hundreds of scientists with a UN panel reviewed more than 14,000 studies documenting climate change evidence, to create a new report for policymakers worldwide.
Burning through parched fuel like matchsticks, the Dixie Fire in Northern California has mushroomed in size this week to become the largest single wildfire in the state's history.