03 March 2014, 04:04 PM ET
Sea otters were one of more than 20 species hit hard by the 1980 Exxon Valdez oil spill, but their numbers have slowly recovered and are now at pre-spill levels, a new study reports.
03 March 2014, 03:33 PM ET
A shift from briny to fresh in Antarctica's ocean waters in recent decades means the Southern Ocean's coldest, deepest currents may be shutting down, a new study finds.
03 March 2014, 03:00 PM ET
A mysterious giant virus that had never been identified before was uncovered after lurking deep in permafrost in Siberia for 30,000 years.
28 February 2014, 04:00 PM ET
A wet and wild winter in Great Britain has altered coastal areas, revealing live munitions from World War II and the remains of 10,000-year-old forests.
28 February 2014, 03:59 PM ET
This videos shows Ray tracing visualization of groundwater flowing through limestone aquifers in South Florida.
28 February 2014, 03:40 PM ET
The world's biggest wind-driven ocean current carries 20 percent more water than previously thought, scientists announced this week.
28 February 2014, 02:54 PM ET
Visualizing the groundwater flow in these areas helps scientists better understand the risk involved.
28 February 2014, 01:40 PM ET
New images from space reveal the storms that are bringing much needed rains to California. Though the storms will help, they won't make much of a dent in the historic drought.
28 February 2014, 01:15 PM ET
Google street view has added an image of whale sharks and an underwater museum to a set of undersea images of the planet.
28 February 2014, 01:15 PM ET
Cleaning up the plastic debris on California's beaches is a costly venture ($420 million to be exact), and a recently proposed bill could incentivize plastic producers to reduce packaging waste and make them pay for part of the clean up.
28 February 2014, 11:40 AM ET
Thanks to a few inches of fresh snow, the route for Alaska's venerable Iditarod sled dog race, which kicks off on Saturday (March 1), may be in much better shape than race organizers feared just a week ago.
27 February 2014, 02:43 PM ET
Marine biologists and engineers have now developed a 530-pound marine Exosuit that's designed for ocean depths down to 1,000 feet. The Exosuit will help researchers study bioluminescent and biofluorescent marine life.
27 February 2014, 01:38 PM ET
Oil from the Exxon Valdez oil spill, the largest in U.S. history until the Deepwater Horizon spill, has been found nearly untouched in small pockets along Alaska's coast.
27 February 2014, 12:25 PM ET
Researchers recently discovered a new crystal defect in olivine that helps explain how the mantle drives plate tectonics.
27 February 2014, 07:02 AM ET
Google Street View has taken viewers to the Amazon, the Galapagos, and now, the Canadian Arctic — the home of polar bears. Starting today, on International Polar Bear Day (Feb. 26), people around the world will be able to see the bears in their natural ha
26 February 2014, 02:37 PM ET
Photographer captures stunning look at stellate leaf hairs on the deciduous shrub Deutzia scabra.
26 February 2014, 09:49 AM ET
This spectacular wallpaper shows North Cascades National Park Service Complex in Washington. Jagged peaks, deep valleys, cascading waterfalls and more than 300 glaciers adorn this diverse and rugged land.
26 February 2014, 01:36 AM ET
The mysterious flashes of lightning that sometimes precede or accompany a temblor, called earthquake lights, could be caused by the shifting of grains in the ground surrounding faults.
25 February 2014, 09:47 PM ET
What is the future for water on Earth?
25 February 2014, 07:20 PM ET
California's startling transformation from green to brown, an effect of the ongoing drought, may be most striking when viewed from space. That's one reason NASA is tracking the impact of California's extreme drought, in partnership with state and federal
25 February 2014, 05:32 PM ET
For International Polar Bear Day, Google Maps unveiled Street View imagery of polar bears in their natural habitat, in Churchill, Canada.
25 February 2014, 03:19 PM ET
California springtime usually means spectacular fiery displays of flowers and flowing waterfalls, but this year's drought is putting a damper on the state's natural wonders.
25 February 2014, 03:11 PM ET
For reptiles and amphibians, southern Peru's Manu National Park is the most diverse protected area on the planet.
25 February 2014, 02:36 PM ET
Climate and ocean-circulation changes that happened millions of years ago likely contributed to the differences in appearance between certain species of male and female seals.
25 February 2014, 11:40 AM ET
Geoengineering schemes aimed at staving off the worst effects of climate change wouldn't do much to ease the situation and could actually make global warming worse, a new model study suggests.
25 February 2014, 11:01 AM ET
A massive ocean garbage patch houses mysterious microbial communities that thrive on plastics, and new research is untangling how they impact the ocean ecosystem as a whole.
25 February 2014, 10:06 AM ET
Peru's Manu National Park is home to 287 species of reptiles and amphibians, making it the most diverse protected area on the planet.
25 February 2014, 12:43 AM ET
Our unfolding understanding of the universe is marked by epic searches and we are now on the brink of discovering something that has escaped detection for many years.
24 February 2014, 05:52 PM ET
A pilot in Alaska has provided the first images of a landslide that occurred last week and that may be the largest since 2010.
24 February 2014, 05:48 PM ET
Radiation from Japan's leaking Fukushima nuclear power plant has reached waters offshore Canada.
24 February 2014, 01:58 PM ET
An aquatic salamander feared to have disappeared from Mexico's lakes, its only-known natural habitat in the wild, has been spotted again. Researchers sighted two of the salamanders, known as an axolotls, but did not capture any.
24 February 2014, 01:48 PM ET
Computer simulations have been accurate in predicting where debris from the 2011 tsunami in Japan would wash ashore, scientists say.