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
New research reveals why hummingbirds ¬have a taste for sweets even though they lack a sweet taste receptor on their tongues.
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, 01:54 PM ET
Dr. Kent Brantly, an American doctor who contracted the Ebola virus in West Africa, is cured of the disease and was released today from Emory University Hospital in Atlanta.
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, 12:45 PM ET
Women are perceived as less likable and competent than men when they ask for flexible work arrangements to accommodate childcare responsibilities, a new study suggests.
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.
21 August 2014, 09:36 AM ET
Ever wonder why the zombies in the film "World War Z" appear so lifelike? It's not just makeup — some of them were created with the aid of high-tech scanning technology.
21 August 2014, 09:31 AM ET
A tiny, clay-filled bubble found in a Martian meteorite boosts the chances that Mars was habitable for life.
21 August 2014, 09:23 AM ET
Producers for Hollywood films like "World War Z" and shows like "The Big Bang Theory" use 3D scanners to produce lifelike models of their characters.
21 August 2014, 08:09 AM ET
When people break up, social media such as Facebook can often add to their distress, by providing constant reminders of the breakup and temptations to check up on the ex, new research shows.
21 August 2014, 07:55 AM ET
From changing passwords to deleting an ex from a friends list, people can take several steps to have a healthier breakup online, researchers say.
21 August 2014, 01:23 AM ET
For a Texas community already surrounded by oil refineries, there is a personal drive to fight the Keystone XL pipeline.
20 August 2014, 08:11 PM ET
The results of two autopsies of Michael Brown, the unarmed teenager shot by a St. Louis police officer on Aug. 9, can't provide crucial information about the circumstances surrounding the shooting.
20 August 2014, 05:20 PM ET
Military personnel who fly drones, and may be stationed far from the battlefields and bloodshed of war, may still suffer PTSD after their tours of duty, a new study finds.
20 August 2014, 04:39 PM ET
A new ad campaign in Colorado that likens people who smoke marijuana to "lab rats" is intended to steer teens away from using pot, but some communication experts say the campaign is unlikely to be effective.
20 August 2014, 04:38 PM ET
Award-winning scientist and conservationist Patricia Wright talks about how she came to love lemurs and how important they are to save.
20 August 2014, 04:18 PM ET
Billions of gallons of waste poured into the Fraser Rivere from the Mount Polley Mine in British Columbia on August 4th, 2014 when a containment dam failed.
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, 03:29 PM ET
Perhaps even creepier than spiders are city spiders. New research has found the humped golden orb-weaving spider grows larger and produces more eight-legged babies in urban areas.
20 August 2014, 02:55 PM ET
When European explorers landed in the Americas, they brought tuberculosis (TB) and a wave of other deadly diseases with them. However, some strains of TB may have already been lurking in South America, a new study finds.
20 August 2014, 02:33 PM ET
The toxin used commonly for beauty treatment may prove useful in treating stomach cancers, new research in mice suggests.
20 August 2014, 02:15 PM ET
A new fossil-analysis technique revealed that early mammals from the Jurassic period were probably more picky insectivores than scientists previously thought.
20 August 2014, 02:01 PM ET
Paleolithic early humans in Spain ate snails nearly 30,000 years ago, about 10,000 years earlier than other humans in the Mediterranean.
20 August 2014, 01:32 PM ET
Trials that test some types of alternative medicine, such as homeopathy and Reiki, should be stopped because the therapies are not grounded in science, some researchers argue.
20 August 2014, 01:02 PM ET
Neanderthals went extinct in Europe about 40,000 years ago, giving them millennia to coexist with modern humans culturally and sexually, according to new research that also suggests modern humans didn't cause Neanderthals to die out rapidly.
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, 11:50 AM ET
See stunning photos of Martian meteorites.