14 August 2014, 07:36 AM ET
Decades of research has revealed that snow ice in the Arctic in thinning, especially over the Beaufort and Chukchi seas.
13 August 2014, 04:05 PM ET
Two new species of jellyfish have been discovered off the coast of Western Australia. One is surprisingly large. The other is tiny. Both are extremely venomous.
13 August 2014, 01:01 PM ET
The powerful earthquake that rocked Chile in April ruptured the earth in a way that suggests major quakes; something similar to the big one that shook the area in 1877 may still hit the region in the future, researchers say.
13 August 2014, 12:06 AM ET
Measuring 10 feet long and weighing in at more than 400 pounds, it's hard to imagine that the arapaima, the largest fish in the Amazon River basin, could ever go missing. But these huge fish are quickly disappearing from Brazilian waterways.
12 August 2014, 10:34 PM ET
The amount of water at the Earth’s surface is pretty constant, but in many parts of the developed world we are running out of the right sort of water, and our ability to access it.
12 August 2014, 04:30 PM ET
NASA researchers have created a detailed atmospheric simulation that may one day help them predict the weather with high accuracy.
12 August 2014, 03:52 PM ET
After serving nearly 30 years as a doorstop for a nuclear physicist, a 210-million-year-old hunk of pink petrified wood has been recognized as the first fossilized fire scar ever recognized.
12 August 2014, 10:59 AM ET
Supercomputer simulation (called 'Nature Run 2') of Category-4 Typhoon Haitang (July 2005), based on 7 days of NASA's GOES-5 satellite data, shows winds peaking at ~160mph. Simulation Details: http://goo.gl/LWgggE
10 August 2014, 01:00 PM ET
Researchers report the first evidence that distant earthquakes can trigger icequakes in Antarctica.
10 August 2014, 01:42 AM ET
The recent surge of bushfire disasters has introduced fire-fighting tactics to everyday language.
09 August 2014, 08:53 AM ET
The biggest and brightest full moon of the year — a dazzling "supermoon" — will rise tomorrow (Aug. 10).
09 August 2014, 02:18 AM ET
Dead zones are more widespread across the globe than most people realize.
08 August 2014, 04:39 PM ET
If you're heading to a U.S. national park this summer, please leave your drone at home. One drone crash at Yellowstone National Park may have caused environmental damage to one of the park's iconic hot springs.
08 August 2014, 03:43 PM ET
Yellowstone National Park's Grand Prismatic Spring is the largest hot spring in the United States, and the third largest in the world. Here are photos of the famous rainbow-colored spring.
08 August 2014, 03:21 PM ET
The Magnitude 8.8 Chile earthquake of 2010 triggered icequakes (cryoseisms or frost-quakes); vibrations from rapid fracture in large ice fields, frozen soil, or rocks interlaced with frozen water. Seismic data sped up 100x produces the sound.
08 August 2014, 01:05 PM ET
A persistent high pressure ridge and cooler ocean waters typically keep Hawaii from seeing any hurricanes.
08 August 2014, 11:50 AM ET
NASA's Fermi telescope detects some of the universe's most powerful explosions, and these include terrestrial gamma-ray flashes triggered in the intense electrical fields of storms.
08 August 2014, 10:26 AM ET
Before the Hawaii-bound storm Julio strengthened into a hurricane, a NASA satellite spotted a high-energy flash of "dark lightning" coming from the swirling clouds.
08 August 2014, 10:18 AM ET
There are fewer days with tornadoes compared to 60 years ago, but the risk of deadly tornado clusters is rising.
08 August 2014, 05:48 AM ET
As tropical cyclone Iselle menaced Hawaii on Thursday night local time, the storm also showed signs of slowing and weakening.
07 August 2014, 04:20 PM ET
The National Geographic Traveler magazine announced the winning photos for its 2014 photography contest.
07 August 2014, 03:45 PM ET
Thanks to this year's El Niño conditions in the Pacific Ocean, Hurricane Genevieve was reborn as it trundled west, exploding to super typhoon strength in just two days.
07 August 2014, 02:00 PM ET
Pitch Lake, the world's largest asphalt lake, in Trinidad and Tobago holds tiny life that's hidden inside water droplets encapsulated by oil. The finding boosts promise of finding alien life in hydrocarbon lakes on Saturn's largest moon Titan.
07 August 2014, 12:40 PM ET
National Geographic Traveler magazine announced the winners of this year's photography contest.
07 August 2014, 12:23 PM ET
The chances of an El Niño forming by winter have dropped to 65 percent, still double the normal odds.
07 August 2014, 08:01 AM ET
It's not every day that scientists identify a new mammal — especially one that can grow to be more than 8 feet (2.4 meters) long. But researchers recently named a new species of cetacean: the Australian humpback dolphin, Sousa sahulensis.
06 August 2014, 04:43 PM ET
An algae bloom that turned Toledo's water supply toxic is seen in Lake Erie in new satellite imagery. A ban on drinking the city's water was lifted Monday (August 4).
06 August 2014, 04:02 PM ET
Wildfires raging over northern California have created huge pyrocumulus clouds.
06 August 2014, 01:01 PM ET
An international team of scientists has announced a breakthrough in understanding how toxic mercury disperses in the ocean.
06 August 2014, 08:15 AM ET
In 2012, filmmaker James Cameron made a dangerous dive to the deepest pit in the ocean. But with the release of a new movie about his journey, perhaps Cameron's most challenging quest yet is getting the public interested in ocean exploration.
06 August 2014, 08:13 AM ET
Director and explorer James Cameron became the first person to complete a solo sub dive to the deepest point in the ocean, Challenger Deep. Cameron documented his record-setting voyage in a new film, "Deepsea Challenge 3D."
05 August 2014, 01:23 PM ET
Scientists recently found a new hotspot for juvenile whale sharks in the Red Sea that could offer clues about their life history.