28 April 2015, 04:22 PM ET
An airborne research team, supported by the NSF, scanned the McMurdo Dry Valleys revealing "salt aquifers” beneath the glaciers, lakes and frozen soils. Microbial life could thrive there, retaining evidence of ancient climate change.
28 April 2015, 03:41 PM ET
Photos of the lava lake in Kilauea volcano's Halemau'mau' crater, which is close to overflowing.
28 April 2015, 02:51 PM ET
Underneath Antarctica's Dry Valleys lies a vast and ancient network of salty, liquid water filled with life, a new study finds.
28 April 2015, 10:56 AM ET
The massive earthquake that killed more than 5,000 people in Nepal over the weekend also left dozens of historic buildings in ruins.
28 April 2015, 10:10 AM ET
Indian Ocean tsunamis destroyed one of the world's most important silk-route ports in the 15th century, new research finds.
27 April 2015, 07:32 PM ET
Nepal still faces more deadly earthquakes in the near future, even after the magnitude-7.8 temblor that killed more than 3,000 people on Saturday.
27 April 2015, 09:27 AM ET
As Pope Francis prepares a historic document to make environmental issues a priority for Catholics, a group of climate-change deniers is trying to convince the pontiff this week that global warming is nothing to worry about.
27 April 2015, 08:54 AM ET
Terrible as Saturday's earthquake was in Kathmandu, geologists fear more bad news to come as information filters in from the surrounding mountainous countryside which has been cut off from the world by the disaster.
27 April 2015, 06:59 AM ET
Landslides coming off Catalina Island's steep slopes could send tsunamis racing toward popular Los Angeles and Orange County beaches.
26 April 2015, 08:56 AM ET
When the cacti found in the deserts of North American begin to bloom in late March and April, spring has once again returned to these arid lands.
24 April 2015, 04:20 PM ET
Peering into the planet's tiniest ecosystems, under rocks and in our guts.
24 April 2015, 12:57 PM ET
A United Nations study shows that the United States ranks 15th in happiness.
24 April 2015, 06:54 AM ET
Earthquakes threaten roughly half the U.S. population, or more than 143 million people, a new study finds. That number rises when Hawaii, Alaska and Puerto Rico are included.
23 April 2015, 02:02 PM ET
A giant blob-shaped reservoir of searing hot rock has been discovered far below the supervolcano underneath Yellowstone National Park, one that could fill the Grand Canyon more than 11 times over.
23 April 2015, 01:03 PM ET
An NSF funded team of University of Utah seismologists has discovered a reservoir of hot, partly molten rock hidden 12-28 miles beneath ellowstone’s supervolcano. The magma could fill the 1000 cubic-mile-Grand Canyon more than 11 times.
23 April 2015, 10:22 AM ET
New earthquake hazard maps released today highlight 17 hotspots where communities face a significantly higher risk of earthquakes.
23 April 2015, 08:12 AM ET
Geologists have finally found the source of an 1872 earthquake that rattled windows from Washington state to Montana.
22 April 2015, 07:02 PM ET
While trash bags floating down streams still cause environmental headaches, packaging has not become the landfill headache Americans once feared.
22 April 2015, 06:32 PM ET
Shattered cave formations in the central and eastern United States preserve one of the longest records of powerful earthquakes in these regions.
22 April 2015, 02:50 PM ET
A flawless, 100-carat diamond sold for $22.1 million at an auction at Sotheby's in April.
22 April 2015, 02:47 PM ET
22 April 2015, 02:40 PM ET
Researchers at Duke University are using 3-D imaging, sensors, digital cameras and more to measure the forces inside materials like sand, soil and snow.
22 April 2015, 01:00 PM ET
The inch-long species, scientifically named Hyalinobatrachium dianae, joins Costa Rica's 13 other glass frogs.
22 April 2015, 11:08 AM ET
From conserving natural resources to fighting food waste, here are five ways to get kids involved in Earth Day.
22 April 2015, 07:45 AM ET
Earth Day is a time to celebrate and protect this pale blue dot we call home. But some of its crown jewels may not always be there. Here are 10 amazing places to visit before it's too late.
22 April 2015, 07:02 AM ET
Today, people around the world will celebrate the 45th Earth Day. To mark the occasion, we here at Live Science chose some of our favorite photos of our home planet.
21 April 2015, 05:03 PM ET
Earth Day is an annual event, observed on April 22, that celebrates the planet's environment and raises public awareness about pollution.
21 April 2015, 04:06 PM ET
Human activities greatly outstrip volcanoes as the world’s leading carbon dioxide producers, raising sea levels, drying forests and altering animal habitat. Watch ‘Secrets of the Universe’ on Hulu. http://www.hulu.com/secrets-of-the-universe
21 April 2015, 03:32 PM ET
A massive, 100-carat diamond is going on auction today at Sotheby's in New York.
21 April 2015, 07:36 AM ET
Two terrifying hurricane names, Isis and Odile, were dropped from the Pacific storm list for 2016.
20 April 2015, 11:02 PM ET
Earthquakes occur every day, but most people don't notice the small ones. Here's what causes earthquakes.
20 April 2015, 08:08 AM ET
A new set of 56 interactive maps estimates public opinion on climate change across the United States from the national to county level.