Earth Science covers all facets of how the earth works, from from volcanoes to the world's oceans.
Where on the planet can you visit to see with your own eyes the tracks left by dinosaurs? Fossilized dino footprints might be just outside your back door, but here are good places to start.
Environmental researchers found that large river systems with lots of surrounding residents are the sources of plastic debris in the oceans.
Researchers discovered that everyone's favorite prehistoric cat had some seriously big bones — even as a youngster.
The autumnal equinox is the day Earth is perfectly angled to the sun, so the day and night are of equal length. Well, almost.
Archaeologists discovered what they believe to be ruins of the Roman city of Neapolis — underwater near Tunisia.
The Caspian Sea is the largest lake in the world, but it's gradually shrinking thanks to a changing climate.
Scientist and oceanographer Charles Moore confirmed the existence of a second huge plastic garbage patch in the Pacific Ocean.
Scientists are tracking the massive iceberg A-68, which recently calved from Antarctica's Larsen C ice shelf, to see where it drifts and whether it breaks up.
Measuring sea level has changed almost as much as the tides during the 200 or so years scientists have been tracking it. Find out how it's tracked today.
The Denmark Strait cataract dwarfs every other waterfall in the world, but you can't see it because it's deep under the Atlantic Ocean.
The circle is only 5,000 miles wide.
Scientists have found that snow and rain trigger earthquakes. Could their study help predict the Big One?
Antarctica's Blood Falls looks like a geological horror scene. For decades, scientists weren't sure why. Until now.
Salt used in the winter to deice roadways is having an impact on hundreds of lakes across the region.
Talk about a Brexit! Scientists have clues to catastrophic flooding that destroyed a land bridge that once connected England and France.
You might be in trouble when the end of the world is near, but at least your data won't be.
Surprisingly, living in a city with a high level of natural radiation doesn't have any ill effects.
The prehistoric penguin was the size of a small adult human, which says a lot about penguins' evolution.
And archaeologists figured it out with just a little DNA.
Although the trenched enclosures were probably used to conduct rituals, they can tell us how the ancient indigenous people of the Amazon managed their forests.
Climate change may be melting glaciers, but it's also reducing the oxygen of the world's oceans. Without oxygen, many marine organisms may no longer be able to survive.
The American West may seem rugged, but it's a fragile environment. 21st-century flow levels for the Colorado are down 19 percent from 20th-century averages.
The unique, annual sea ice phenomenon is created when pure, salt-free river water hits cold, saline seawater near the beaches of Hokkaido.
The Cuvette Centrale peatlands hold astounding amounts of carbon scientists had never fully mapped. The new discovery emphasizes a need for protection.
Most mammals have a penis bone called a baculum, but humans don't. A new study sheds light on the history of the baculum, and why ours is missing.
NASA's InSight Mission Detects Its First Marsquake
April 25, 2019
Marijuana Edibles: Not Such a Treat
April 25, 2019
Oak Ridge, Tennessee: America's Secret Atomic City
April 25, 2019
