Planet Earth Archive
07 March 2014, 03:56 PM ET
Antarctica may be the last place one would expect to find a mathematician, but Ken Golden isn't your average mathematician. Golden, a mathematician at the University of Utah, is using math to model the melting of the polar ice caps.
07 March 2014, 03:46 PM ET
Mathematician Ken Golden has taken multiple trips to the Antarctic and Arctic to study the math of melting sea ice.
07 March 2014, 01:58 PM ET
A new study confirms that one of Oklahoma's biggest man-made earthquakes, caused by fracking-linked wastewater injection, triggered an earthquake cascade that led to the damaging magnitude-5.7 Prague quake on Nov. 6, 2011.
07 March 2014, 08:40 AM ET
Geoscientists are pioneering a new way to make sense of past ice ages — with volcanoes that erupted through ancient ice sheets.
07 March 2014, 05:00 AM ET
06 March 2014, 11:58 PM ET
Will the power plants that bring energy independence encroach on wildlife?
06 March 2014, 11:07 PM ET
According to a new analysis, the U.S. is at risk for its own Fukushima-like disaster.
06 March 2014, 03:53 PM ET
A bevy of satellites have caught a bird's-eye view of Guatemala's Pacaya volcano since the peak erupted on March 2.
06 March 2014, 02:00 PM ET
A model for how river networks take shape, such as in the Appalachians, could help improve understanding of how landscapes change through time.
06 March 2014, 12:04 PM ET
New 3D images from beneath a volcano in the Galapagos Islands show how these volcanoes differ from those in Hawaii.
06 March 2014, 12:00 PM ET
San Francisco's Board of Supervisors met this week and unanimously voted to begin phasing out the sale of single-use, plastic water bottles less than 21 ounces on city-owned land.
06 March 2014, 09:30 AM ET
The effects of global warming could cost the world $1.45 trillion in economic damages, with the planet's crop production projected to decline up to two percent every decade, according to news reports.
06 March 2014, 12:48 AM ET
The power of scientific data becomes even more profound in the hands of artists.
05 March 2014, 05:32 PM ET
The Great Lakes ice cover has reached 91 percent, the second highest since 1973.
05 March 2014, 04:09 PM ET
Redwood poaching is increasingly a problem in the national and state parks of northern California.
05 March 2014, 02:39 PM ET
Different regions of the United States are more susceptible to earthquakes than others, and now a new map helps pinpoint the regions most prone to seismic shock waves.
05 March 2014, 01:44 PM ET
The dry conditions in California have only worsened winter haze, so regulators are implementing burn bans to prevent soot from accumulating.
05 March 2014, 11:52 AM ET
Incredible video shows a gang of orcas attacking a lone blue whale off the coast of California.
05 March 2014, 10:24 AM ET
This stunning wallpaper shows Joshua Tree National Park in California. Viewed from the road, this desert park only hints at its vitality.
05 March 2014, 12:15 AM ET
A U.S.-Mexico agreement on dam use will pulse water into the Colorado river basin.
04 March 2014, 07:01 PM ET
If current trends in global warming continue unmitigated, some of the world's most well-known and historically significant cultural landmarks could be destroyed by rising global sea levels, according to a new study.
04 March 2014, 05:42 PM ET
Researchers have discovered that willows play a surprising role in countering climate change in Alaska, one of the fastest-warming spots in the world.
04 March 2014, 05:19 PM ET
A pesky algal species in Canada — sometimes called "rock snot" due to the way its tendrils attach to rocks — is increasing due to global warming and not human introductions, a new study suggests.
04 March 2014, 03:27 PM ET
Until April 4, readers can vote for the most compelling or awe-inspiring photos of our planet from space in NASA Earth Observatory's Tournament Earth.
04 March 2014, 02:50 PM ET
As invasive species continue their march across continents, one weapon stands in their way: a bitterly cold winter. Here are six invasive pests whose populations might not survive sub-freezing temperatures.
04 March 2014, 02:27 PM ET
The sub-freezing temperatures breaking records across the country have one group of observers cheering: biologists, many of whom hope that a polar vortex or two will help slow the northward march of invasive species.
04 March 2014, 01:07 PM ET
A crushing dive into the ocean's darkest realms has revealed surprising differences among the marine life that populates the Pacific Ocean's deepest depths.
04 March 2014, 11:22 AM ET
The oceans are a lot more uncharted than our maps would have us believe. New satellite technology can help fill in the seafloor gaps.
03 March 2014, 06:45 PM ET
The dazzling northern lights dance in a stunning display over Swedish Mountains in these beautiful images and video captured by aurora photographer Chad Blakely of Lights Over Lapland.
03 March 2014, 05:37 PM ET
Remembering to lock up everything from baby wipes to bratwurst may be irksome for Yosemite National Park visitors, but a new study finds the park's stringent food storage rules slashed the amount of human food eaten by black bears by 63 percent.
03 March 2014, 04:04 PM ET
Sea otters were one of more than 20 species hit hard by the 1980 Exxon Valdez oil spill, but their numbers have slowly recovered and are now at pre-spill levels, a new study reports.
03 March 2014, 03:33 PM ET
A shift from briny to fresh in Antarctica's ocean waters in recent decades means the Southern Ocean's coldest, deepest currents may be shutting down, a new study finds.