• Study: Your all-electric car may not be so green Tuesday, 16 Dec 2014 | 6:48 AM ET

    Ethanol isn't so green, either. "It's kind of hard to beat gasoline" for public and environmental health, said study co-author Julian Marshall, an engineering professor at the University of Minnesota. "Unfortunately, when a wire is connected to an electric vehicle at one end and a coal-fired power plant at the other end, the environmental consequences are worse...

  • 5 Things to Know from AP-NORC environment poll Friday, 12 Dec 2014 | 11:43 AM ET

    WASHINGTON— The Associated Press-NORC Center for Public Affairs Research and Yale University surveyed 1,578 Americans on a wide range of environmental and energy matters, including global warming. Those in support of a treaty are split on whether the Obama administration should forge ahead with or without approval by the Senate. President Barack Obama has...

  • Proven: High heels DO have power over men Friday, 12 Dec 2014 | 7:26 AM ET

    Heels have also been a controversial symbol in the battleground of sexual politics. Now a scientific study in France has measured their power.

  • Need scientific proof men are stupider? We got that Thursday, 11 Dec 2014 | 11:58 PM ET

    In the battle over which sex is stupider, a group of male researchers may have proven that men win hands down.

  • American Museum of Natural History plans addition Thursday, 11 Dec 2014 | 12:20 PM ET

    NEW YORK— The American Museum of Natural History has announced plans to build an addition to house a new science and education center. The $325 million Gilder Center for Science, Education and Innovation is slated to open in 2019, the museum's 150th anniversary. Chicago- based Studio Gang Architects has been selected to design the addition.

  • The mystery of where Earth's water came from deepens Wednesday, 10 Dec 2014 | 2:00 PM ET

    WASHINGTON— The mystery of where Earth's water came from got murkier Wednesday when some astronomers essentially eliminated one of the chief suspects: comets. Over the past few months, the European Space Agency's Rosetta space probe closely examined the type of comet that some scientists theorized could have brought water to our planet 4 billion years ago.

  • Organic farming can compete—especially in droughts Tuesday, 9 Dec 2014 | 7:01 PM ET
    File photo: An employee moves through a green house growing tomatoes at the Clear Brook Organic Farm in Shaftsbury, Vermont.

    Organic farms may be a lot more productive than previously thought, and they be able may perform better in tough times, according to a study.

  • Lima climate talks set for record carbon footprint Tuesday, 9 Dec 2014 | 12:16 PM ET

    LIMA, Peru— The current U.N. climate talks will be the first to neutralize all the greenhouse gas pollution they generate, offset by host country Peru's protection of forest reserves, organizers say. Now the bad news: The Lima conference is expected to have the biggest carbon footprint of any U.N. climate meeting measured to date. Eleven football fields of...

  • Billionaire returns Nobel to US boffin who sold it Tuesday, 9 Dec 2014 | 9:34 AM ET
    James Watson

    Russian Alisher Usmanov reveals he is the anonymous buyer of James Watson's medal – adding that he plans to give it back to the biologist.

  • As US cleans up, it's exporting more pollution Monday, 8 Dec 2014 | 3:00 AM ET

    GARDI SUGDUP, Panama— Solar panels glisten from every thatched hut on this crowded island, one of the largest in this remote chain off the Panamanian coast. They own one of the most pristine stretches of tropical rainforest in Panama, cleansing the atmosphere of carbon dioxide naturally. Pollution linked to global warming keeping rising even though the world's...

  • Tuna economics: Why tuna ranching works in Mexico Sunday, 7 Dec 2014 | 10:50 AM ET

    A significant portion of the Pacific bluefin tuna supply comes from oceanic feedlots off the coast of Mexico, an activity that can only be supported by the high price of the fish.

  • Orion's epic launch: By the numbers  Friday, 5 Dec 2014 | 3:00 PM ET

    NASA launched its Orion space capsule on Friday in an unmanned flight that orbited the Earth twice. The spacecraft could bring humans back to the moon, and potentially Mars.

  • * "Bad news" at U.N. climate talks in Lima- Figueres. LIMA, Dec 3- This year is on track to be the hottest on record, or at least among the very warmest, the United Nations said on Wednesday in new evidence of long-term warming that adds urgency to 190- nation talks under way in Lima on slowing climate change. The WMO said average sea surface temperatures hit record highs in...

  • About 100 brains missing from University of Texas Wednesday, 3 Dec 2014 | 9:21 AM ET
    A human brain preserved in formeldahyde.

    The University of Texas is missing about 100 brains — about half of the specimens the university had in a collection of brains preserved in jars.

  • Hawking movie becomes acid test for indie films Saturday, 29 Nov 2014 | 12:06 PM ET
    Stephen Hawking speaking at an event, May 2014

    Producing a movie about the world's most recognizable scholar was certainly no easy feat, especially in a world obsessed with super hero films.

  • European Space Agency lander heading for comet  Wednesday, 12 Nov 2014 | 8:30 AM ET

    The European Space Agency's Rosetta spacecraft has released a probe toward a comet, where it will attempt the first-ever soft landing on a comet.

  • Nov 11- Monsanto Co, the world's largest seed company, and its brethren of global biotech crop developers are spreading the word that as far as the safety of their genetically modified grain goes, the science is solidly on their side. On Tuesday, a group with backing from institutions in Russia, the United States and Europe said it would undertake the longest,...

  • Hepatitis B next great challenge: Arrowhead  Monday, 10 Nov 2014 | 1:11 PM ET

    Chris Anzalone, Arrowhead CEO, discusses current studies on the hepatitis B virus and its effect on the liver, and whether the company is gaining the confidence back of shareholders.

  • Dendreon files bankruptcy protection  Monday, 10 Nov 2014 | 10:38 AM ET

    Prostate cancer drug developer Dendreon has filed for Chapter 11 bankruptcy protection. CNBC's Meg Tirrell takes a close look at what contributed to the company's downfall.

  • Robots to the rescue in fight against Ebola Friday, 7 Nov 2014 | 2:35 PM ET
    Ken Goldberg professor University of California Berkely.

    Robots are joining doctors and scientists in combating the deadly Ebola outbreak.