17 November 2014, 01:24 PM ET
Pavlof volcano, one of Alaska's most active volcanoes, erupted for the second time this year on Saturday (Nov. 15).
14 November 2014, 09:53 PM ET
For the third month in a row, global temperatures were in record high territory according to NASA.
14 November 2014, 06:53 AM ET
If you're bored with all the vertebrates in your wildlife-cam media diet, the Monterey Bay Aquarium in California is now streaming mesmerizing live footage of its jellyfish.
13 November 2014, 05:48 PM ET
This was a warm October for the U.S. and the first month since July 2013 no state was cooler than normal.
13 November 2014, 04:18 PM ET
From the eruption that buried Pompeii in A.D. 79 to the superstorm that shut down New York City in 2012, natural disasters are an unavoidable part of life on Earth. Once thought to be the wrath of the gods, these formidable events now have widely accepted
13 November 2014, 04:17 PM ET
From earthquakes to volcanic eruptions to hurricanes, natural disasters reveal the fearsome power of Mother Nature. Scientists are studying these phenomena to better understand them and find better ways to predict and prepare for them.
13 November 2014, 02:00 PM ET
Expect a 50 percent increase in lightning strikes within the United States by 2100 if temperatures continue to rise due to greenhouse gas emissions.
13 November 2014, 01:37 PM ET
Researchers from UC Berkeley used data from the National Lightning Detection Network at SUNY-Albany to create a time-lapse of "cloud-to-ground" lightning strikes that occurred over 2 months in 2011.
13 November 2014, 12:56 PM ET
Citizen scientists already use their phones to report roadkill, light pollution and invasive plants, using free apps. In 2013, Dutch researchers went a step further, transforming smartphones into scientific instruments.
13 November 2014, 10:25 AM ET
The polar vortex isn't the only weather system to blame for your frozen fingertips.
13 November 2014, 07:02 AM ET
The United States and China surprised climate-policy watchers by announcing a rare accord to cut carbon pollution. Experts are hopeful that an agreement between the world's two biggest economies bodes well for a global climate pact.
11 November 2014, 10:10 PM ET
Droughts are one of the most damaging types of weather-related phenomena, but classifying them is difficult.
11 November 2014, 05:49 PM ET
A new mapping technique could help researchers prevent deforestation in the Amazon.
11 November 2014, 03:47 PM ET
Italian scientists convicted of manslaughter in connection with the 2009 L'Aquila earthquake won their appeal on Monday (Nov. 10).
11 November 2014, 11:23 AM ET
A stream of lava from Hawaii's Kilauea volcano has been creeping toward a small town for months, and yesterday (Nov. 10), the molten rock finally ignited its first home.
11 November 2014, 11:03 AM ET
Extremely low levels of radioactive cesium from Japan's 2011 Fukushima nuclear meltdown are present in ocean water offshore Northern California.
10 November 2014, 03:26 PM ET
Scientists suspect Antarctica's shrinking glaciers are melting from the bottom up, and a fleet of robot ocean gliders may help explain why.
10 November 2014, 03:13 PM ET
Divers have recovered a bronze bell from the wreck of the HMS Erebus, a British ship that was missing for nearly 170 years after an ill-fated expedition to the Canadian Arctic.
09 November 2014, 09:19 AM ET
Researchers are studying the reflectivity of Greenland's dark ice and how climate change may contribute to the ice sheet melting.
07 November 2014, 07:44 AM ET
New research shows that a major tectonic shift may explain the huge increase in new species during the Cambrian explosion.
07 November 2014, 07:40 AM ET
The young woolly mammoth's brain is the only such practically intact specimen known, revealing even the folds and vessels to scientists. The well-preserved remains of the ice age beast were discovered in the Siberian permafrost.
07 November 2014, 07:37 AM ET
Take a look at images of a 39,000-year-old woolly mammoth with a preserved brain discovered in the Siberian permafrost.
07 November 2014, 12:15 AM ET
The American chestnut tree was practically wiped out from the eastern United States 100 years ago by a deadly fungus, but now, thanks to a tweaked gene, researchers are growing trees that appear to be resistant.
06 November 2014, 03:46 PM ET
El Niño conditions continue to sputter in the tropical Pacific Ocean, pushing back the odds of even a weak El Niño emerging this winter, forecasters said today (Nov. 6).
06 November 2014, 01:57 PM ET
An orphaned sea otter pup, just a week old and underweight, was rescued from a beach in California last month. Now, the camera-friendly creature is starting over in the Midwest, with 24-hour care at Chicago's Shedd Aquarium.
05 November 2014, 06:37 PM ET
Small islands boost the power of tsunami waves, rather than absorbing their impact, a new study shows.
05 November 2014, 09:25 AM ET
Rovers — especially cute ones that are disguised as penguin chicks — seem to be better at spying on penguins than humans are.
04 November 2014, 07:01 PM ET
Scientists reveal they can monitor "uncontacted tribes" in the Amazon rainforest using satellites, which would allow safe, inexpensive and noninvasive tracking of these tribes in order to protect them from outside threats.
04 November 2014, 02:37 PM ET
There's still time to hit the peak for colorful fall leaves, and a new foliage forecast map can help people plan their viewing trips more than a week ahead.
04 November 2014, 06:54 AM ET
Two huge blobs of dense rock jammed deep beneath Chile's coastline acted like seismic speed bumps during the magnitude-8.8 Maule earthquake in 2010, according to a new study.
03 November 2014, 05:32 PM ET
The wreck of a 17th-century Dutch warship has been discovered off the coast of Tobago. Marine archaeologists believe the vessel is possibly Huis de Kreuningen, which was lost during a bloody fight between Dutch and French colonists.
03 November 2014, 11:50 AM ET
A rare mineral known from just three massive meteorite impacts has now turned up in a Wisconsin crater.