Planet Earth Archive
23 June 2014, 08:49 AM ET
These evenly spaced clumps of vegetation-topped mounds dot the landscapes of every continent except Antarctica. Scientists have long puzzled over what forms the mounds, pointing to everything from termites and gophers to vegetation patterning.
22 June 2014, 01:00 PM ET
Frightful floods, freezes and heat waves favor certain parts of the Northern Hemisphere, thanks to strong atmospheric currents that repeatedly steer extreme weather to the same places, a new study finds.
21 June 2014, 09:02 AM ET
The night sky never looked so inviting. From light rays framing the Big Dipper above the Alps to the eerily stunning aurora hovering atop Norway, the winners of a dark skies photo contest delight with their upward gazes.
20 June 2014, 07:08 PM ET
Stunning images of the night sky from around the world show everything from swirling green auroras and star trails to the bulging Milky Way galaxy and the Big Dipper constellation.
20 June 2014, 05:43 PM ET
The summer solstice will occur Saturday (June 21), marking the official start of summer.
20 June 2014, 04:50 PM ET
Good news for great whites: The sharks are on the rise off both the east and west coasts of the United States, two new studies show.
20 June 2014, 11:44 AM ET
The menacing trail of a landslide that killed three people in western Colorado last month can be seen from space.
19 June 2014, 02:27 PM ET
Explosives were detonated at the top of a mountain in northern Chile today (June 19) to begin clearing the way for the biggest optical telescope in the world.
19 June 2014, 01:10 PM ET
A bizarre June snowstorm hit Glacier National Park in Montana and parts of Utah and Idaho this week, leaving many residents and visitors in the northern Rockies wondering what season it is.
19 June 2014, 10:52 AM ET
A surprise snow storm struck Glacier National Park on June 17, just days before the summer solstice.
19 June 2014, 10:50 AM ET
A regional look at how summer temperatures have been steadily rising across the U.S. since 1970.
19 June 2014, 08:13 AM ET
A mountain in northern Chile's remote Atacama Desert is about to get its top blown off to make way for the biggest optical telescope in the world.
19 June 2014, 07:46 AM ET
A major oil and gas company has pledged to stop plumbing for oil in Virunga National Park in the Democratic Republic of the Congo, after the World Wildlife Fund (WWF) and United States authorities pressured the firm to halt operations in the region.
19 June 2014, 07:21 AM ET
An explosion will blast off the top of the top of the TK-foot-high (3,000 meters) Cerro Armazones, which will be home to the European Extremely Large Telescope (E-ELT), on June 19, 2014.
19 June 2014, 01:42 AM ET
New research published today shows that these microplastics are also home to marine life, some of which could be helping to clean up the oceans.
18 June 2014, 11:21 PM ET
Solving the global warming crisis doesn't require countless policy approaches — three should do.
18 June 2014, 05:00 PM ET
A surprising number of spiders quite literally fish for their meals. In fact, a new scientific review found that fish-eating spiders live on every continent except Antarctica.
18 June 2014, 01:37 PM ET
Natural fracking may be to blame for weird 'slow' earthquakes that last for hours to days, a new study suggests.
18 June 2014, 09:24 AM ET
An earthquake of preliminary magnitude 4.1 struck today (June 18) near Oklahoma City, according to the U.S. Geological Survey (USGS).
17 June 2014, 08:06 PM ET
This region, and for that matter much of our world’s oceans, are often described as poorly explored. But what do we mean by poorly explored and why do we know so little?
17 June 2014, 06:05 PM ET
A frozen river in the Arctic desert recently led scientists to a remarkable find: a freshwater spring gushing from a deep gully on Canada's Ellesmere Island.
17 June 2014, 05:46 PM ET
U.S. President Barack Obama announced today (June 17) that he would use his executive authority to expand a marine protected area to prevent potentially harmful human activities in parts of the Pacific Ocean.
17 June 2014, 01:38 PM ET
The "boring billion," the long evolutionary pause when slime ruled the Earth, might be due a planetary cooling-off period that stalled plate tectonics, a new study finds.
16 June 2014, 10:28 PM ET
The National Weather Service says at least two tornadoes have touched down in northeast Nebraska, causing widespread damage in the town of Pilger. (June 16)
16 June 2014, 05:48 PM ET
President Obama spoke out about climate change over the weekend, in a commencement speech delivered to new graduates at the University of California, Irvine.
16 June 2014, 03:47 PM ET
Italy's Mount Etna erupted in a spectacular nighttime display Sunday (June 15), captured on video by avid volcano watchers.
16 June 2014, 03:06 PM ET
Europe's most active volcano - Mount Etna, on the Italian island of Sicily - continued to erupt on June 16th, 2014. Spectacular footage show the eruption from its southern crater.
16 June 2014, 02:27 PM ET
Melting and refreezing creates giant jellyroll-like ice sculptures under Greenland's northern ice sheet. The newfound wonderland gives scientists a better picture of how Greenland's ice behaves and how that might change as the planet warms.
16 June 2014, 01:43 PM ET
The world's biggest active volcano, Hawaii's towering Mauna Loa, may be rumbling back to life. But don't change any tropical vacation plans yet: there are no signs the massive peak plans to erupt.
16 June 2014, 08:05 AM ET
Earth's most abundant mineral lies deep in the planet's interior, sealed off from human eyes. Now, scientists for the first time have gotten a glimpse of the rock enclosed inside a 4.5-billion-year-old meteorite. Its new name: bridgmanite.
13 June 2014, 03:19 PM ET
The 20th World Cup kicked off Thursday in Sao Paulo, Brazil, and a new aerial image from NASA captured a stunning nighttime view of the host country.
13 June 2014, 01:17 PM ET
Peru's Amazon rainforest is extensively contaminated from decades of oil and gas drilling, researchers reported.