11 September 2014, 07:22 AM ET
New photos show outsiders in a tourist boat stopping along the banks of an Amazon River tributary in Peru to give clothes and other gifts to children and adults of an isolated tribe.
10 September 2014, 09:35 PM ET
Following a harrowing depletion in recent decades, Earth's protective ozone layer, high in the planet's atmosphere, is on the track to recovery, according to a new report released today (Sept. 10) at the United Nations headquarters in New York.
10 September 2014, 02:20 PM ET
The hot, wrinkled lava from Iceland's Bardarbunga volcano shines bright in two new satellite images of the blazing eruption.
10 September 2014, 11:57 AM ET
One of the two lost ships of the legendary Franklin Expedition to the Canadian Arctic has finally been found.
09 September 2014, 10:14 PM ET
Arctic traffic is jamming marine wlidlife.
09 September 2014, 06:31 PM ET
Julia Parrish, the founder of the citizen science organization COASST describes her passions and her organization's goals.
09 September 2014, 12:39 PM ET
After a dramatic growth spurt this week, a wildfire burning in California's Yosemite National Park forced hikers to evacuate and produced a billowing veil of smoke that can be seen from space.
09 September 2014, 07:49 AM ET
The Arabian Sea, one of the world's greatest fisheries, is now more likely to glow emerald green instead of sapphire blue in winter because its food chain is out of whack.
08 September 2014, 03:50 PM ET
Toxic tornadoes were spotted in a poisonous cloud of sulfur dioxide gas spewing from Iceland's Holuhraun lava flow on Sept. 3.
08 September 2014, 02:52 PM ET
Lower sea ice levels in the Arctic has created new shipping lanes and oil industry opportunities. The wildlife and natives in the area depend on those same waters for their livelihoods.
08 September 2014, 02:30 PM ET
A infrared camera from the Nicarnica Aviation's NicAIR II was used to spot the toxic tornado on Sept. 3, 2014. It whirled volcanic gases and ash particles during an ongoing Holuhraun fissure eruption. Full Story: http://goo.gl/WTP8aH
08 September 2014, 01:07 PM ET
Species are dying off thousands of times faster than they are being created, according to new research that highlights the planet's looming biodiversity crisis. The study also suggests humans are on the verge of causing a sixth mass extinction on Earth.
07 September 2014, 09:16 AM ET
Two new lava-spouting fissures opened overnight in Iceland, and NASA’s Terra satellite spied the hotspots from space.
07 September 2014, 07:30 AM ET
Bacteria aren't just tenants inside Sweden's Tjuv-Ante's Cave. The microbes are building calcite dripstones on the ceiling.
05 September 2014, 06:36 PM ET
Forecasts have improved, but challenges remain.
05 September 2014, 03:46 PM ET
Slow-moving lava from Hawaii's Kilauea volcano is about a week away from the cluster of homes and farms in the Kaohe Homesteads neighborhood.
05 September 2014, 10:55 AM ET
The June 27th flow is on the move and is seen here advancing east on September 3rd, 2014. It was .8 miles from the Wao Kele o Puna forest reserve at that point. On September 5th, the USGS issued a warning for the Kaohe Homesteads subdivision in Puna.
04 September 2014, 06:54 PM ET
Satellites finally caught a view of Iceland's spectacular eruption from space.
04 September 2014, 05:36 PM ET
The dahlia is one of the most spectacular of blooming plants now found in gardens across the world. These herbaceous perennial plants belong to the genus Dahlia and are indigenous to the highlands of Central America and Mexico.
04 September 2014, 02:00 PM ET
A small but mighty ocean bacterium can load up on scarce resources when food supplies run low. Scientists can track these bacterial proteins in seawater to detect low nutrient levels.
04 September 2014, 10:40 AM ET
El Niño, which has been anticipated to form since March, has yet to arrive but is still expected.
04 September 2014, 07:35 AM ET
The war-torn country of Afghanistan is currently one of the poorest nations in the world. However, the country may be sitting on one of the richest treasure troves of minerals in the world, valued at nearly $1 trillion and maybe much more.
03 September 2014, 08:19 PM ET
In terms of America’s best ideas, wilderness ranks alongside National Parks.
03 September 2014, 05:20 PM ET
Iceland's fiery Holuhraun eruption may soon reach into a nearby glacier, triggering an explosive showdown between lava and ice.
03 September 2014, 02:54 PM ET
Lurking some 3.2 miles (5.1 kilometers) beneath the Pacific Ocean, a massive mountain rises up from the seafloor, say scientists who discovered the seamount using sonar technology.
03 September 2014, 12:36 PM ET
A seamount rises up from one of the least explored areas of the central Pacific Ocean. The structure was mapped with sonar, revealing a conical structure with 23-degree slopes.
03 September 2014, 09:59 AM ET
The 6.0-magnitude earthquake that rocked California's Napa Valley last month not only injured dozens of people and caused millions of dollars in damage, but it also warped the surface of Earth.
02 September 2014, 04:05 PM ET
The Southwest faces a dry and dusty forecast, with an 80 to 90 percent chance of a decade-long drought striking the region this century.
02 September 2014, 12:49 PM ET
An invasive species of camel cricket from Asia is now far more common in American basements than the native variety, a citizen science project found.
02 September 2014, 11:29 AM ET
The alert warning for the area surrounding Iceland's Bardarbunga volcano was kept at orange on Tuesday, indicating increased unrest with greater potential for an eruption. Smoke is spewing from the volcano, and lava is spouting nearby. (Sept. 2)
31 August 2014, 11:43 AM ET
A new volcanic eruption in southeast Iceland is fountaining lava nearly 200 feet (60 meters) into the air.
30 August 2014, 12:24 PM ET
On the one-hundredth anniversary of the last passenger pigeon's death, reflections on the loss of darkened skies.