Planet Earth Archive
21 August 2014, 02:03 PM ET
The western United States has suffered a crippling drought for the past three years, but researchers now have a fuller picture of the extent of damage, thanks to a new way to measure how much water has been lost.
21 August 2014, 02:01 PM ET
A new study suggests a natural climate cycle in the North Atlantic gobbled Earth's extra heat, putting global warming on pause.
21 August 2014, 02:00 PM ET
When looking for a place to settle down, young corals and fish use chemical cues to sniff out bad neighborhoods littered with seaweed.
21 August 2014, 01:57 PM ET
Gobs of microscopic organisms called algae may have met their match in viruses that can invade their cells, ultimately leading to death, new research suggests.
21 August 2014, 01:15 PM ET
The Earth-orbiting Suomi NPP satellite has spit out some breathtaking shots of humanity's home planet, including one of the Eastern Hemisphere released yesterday that shows swirls of clouds above a blue, green and brown orb.
21 August 2014, 11:58 AM ET
Since 1970, cities have been warming, and have been getting hotter far faster than adjacent rural areas
21 August 2014, 10:51 AM ET
Environmental activist Hilton Kelley tours his childhood home in Port Arthur, Texas now abandoned due to toxic chemicals from refineries at the terminus of the proposed Keystone XL Pipeline.
20 August 2014, 03:52 PM ET
The waiting and watching continues in Iceland, where Barðarbunga volcano still shows no signs of erupting.
20 August 2014, 01:00 PM ET
Lake Whillans teems with nearly 4,000 species of microbes, forming a rich ecosystem that lives underneath Antarctica's ice sheet.
20 August 2014, 12:54 PM ET
Boring through ½ mile rock-hard Antarctic ice, researchers discover a completely isolated community of microorganisms living in Subglacial Lake Whillans. The finding could be an analog for subsurface life on Mars, Europa, Enceladus and other worlds.
20 August 2014, 10:51 AM ET
They might not have feather dusters, brooms or even arms and legs, but bivalves — such as clams, mussels and oysters — make good underwater maids, a new study suggests.
19 August 2014, 12:02 PM ET
Pint-size pikas survived Oregon's Dollar Lake fire, providing new insight into their resiliency to environmental change.
19 August 2014, 12:38 AM ET
As glaciers fade and trees struggle with disease infestations, Montana is struggling to come to terms with climate change.
18 August 2014, 07:02 PM ET
Some of the oldest living organisms on Earth are also some of the most beautiful.
18 August 2014, 04:01 PM ET
In search of deep time, Rachel Sussman has photographed some of the oldest living things on the planet.
18 August 2014, 02:09 PM ET
Intense rumbling under Iceland's Bardarbunga volcano has prompted the country's Met Office to raise the volcano's eruption risk level to orange today.
15 August 2014, 01:23 PM ET
NASA’s Earth Observatory released images showing how the Novatak and East Novatak glaciers have retreated over the past 26 years.
15 August 2014, 02:33 AM ET
American corals are facing new risks, even at great depths.
15 August 2014, 02:04 AM ET
As U.S. meat consumption drops, it's may now be having an impact on the environment.
14 August 2014, 06:42 PM ET
Like an herbivorous Count Dracula, a snakelike vine coils around its leafy victim, punctures its stem and proceeds to suck out its life juices.
14 August 2014, 06:32 PM ET
Wars may end, but land mines last for decades. These deadly explosives can be cleared, but the task is often dangerous and time-consuming. Enter land mine-sniffing plants!
14 August 2014, 02:01 PM ET
The steady melt of glacial ice around the world is largely due to man-made factors, such as greenhouse-gas emissions and aerosols, a new study finds.
14 August 2014, 01:50 PM ET
NOAA remote operated vehicles (ROV) observed thriving fish and invertebrate communities around coral colonies. Never before-seen corals and other animal species flourish here, but evidence of the fishing industry's devastation can also be seen.
14 August 2014, 10:39 AM ET
In this time-lapse video, the parasitic plant dodder attacks tomatoes, sucking water, nutrients and even genetic material from its host.
14 August 2014, 10:18 AM ET
A second wave of people who had been living in voluntary isolation in the Amazon made contact with villagers in Brazil, an advocacy group says. They belong to the same tribe as the "uncontacted" group that emerged in a Brazilian village in June.
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.