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.
03 March 2014, 03:00 PM ET
A mysterious giant virus that had never been identified before was uncovered after lurking deep in permafrost in Siberia for 30,000 years.
28 February 2014, 04:00 PM ET
A wet and wild winter in Great Britain has altered coastal areas, revealing live munitions from World War II and the remains of 10,000-year-old forests.
28 February 2014, 03:59 PM ET
This videos shows Ray tracing visualization of groundwater flowing through limestone aquifers in South Florida.
28 February 2014, 03:40 PM ET
The world's biggest wind-driven ocean current carries 20 percent more water than previously thought, scientists announced this week.
28 February 2014, 02:54 PM ET
Visualizing the groundwater flow in these areas helps scientists better understand the risk involved.
28 February 2014, 01:40 PM ET
New images from space reveal the storms that are bringing much needed rains to California. Though the storms will help, they won't make much of a dent in the historic drought.
28 February 2014, 01:15 PM ET
Google street view has added an image of whale sharks and an underwater museum to a set of undersea images of the planet.
28 February 2014, 01:15 PM ET
Cleaning up the plastic debris on California's beaches is a costly venture ($420 million to be exact), and a recently proposed bill could incentivize plastic producers to reduce packaging waste and make them pay for part of the clean up.
28 February 2014, 11:40 AM ET
Thanks to a few inches of fresh snow, the route for Alaska's venerable Iditarod sled dog race, which kicks off on Saturday (March 1), may be in much better shape than race organizers feared just a week ago.