In a conversation suffused with themes and talking points sure to resurface during the election, the commander-in-chief touched on topics as diverse as climate change, the tenor of the rhetoric on Capitol Hill and his fondness for The Daily Show and Homeland.
The thrill of walking in the footsteps of Roald Amundsen and Robert Falcon Scott has put Antarctica back on the tourist map this year.
Former presidential candidate Jon Huntsman sharply criticized his own party on Sunday, decrying Republican rigidity on issues like taxes and science and unfavorably comparing American politics to China.
As Earth Day approaches on April 22, organizers view 2012 as a pivotal year to bring the environmental issues facing the planet to the forefront of the global political agenda.
Much of the American public believes there is a connection between global climate change and a recent surge in dire weather conditions like droughts, heat waves and flooding.
U.S. greenhouse gas emissions increased in 2010, ending a two-year decline. The EPA attributed the increase to an upturn in the economy.
Earth Day 2012 is on April 22, and will be observed around the world with events and activities highlighting environmental concerns and planetary health issues.
New satellite images and data have proved that some glaciers on Asia’s Karakoram mountain range, a part of the Himalayas, have gained ice mass.
Here are some of the many uses of satellites: anchoring the GPS that powers navigation and geotagging systems in smartphones and cameras. Relaying phone, radio and television signals. And now, helping scientists count nearly 600,000 emperor penguins in Antarctica.
Rick Santorum has exited the Republican presidential race. While his unlikely candidacy resonated with many conservative voters, some ill-advised remarks underscored concerns about his values and viability.
Keeping a 53-mile-wide ocean channel open may be the key to preventing abrupt climate change events, scientists say.
Alaska polar bears are suffering from a mysterious illness that causes fur loss and skin lesions. The illness appears similar to a disease that killed over 60 seals last summer.
Rising carbon dioxide levels caused temperatures to rise towards the end of the last ice age, not the other way around, according to a new study. The finding puts an end to an age-old chicken and egg debate.
The warm March experienced by most of the country broke over 7,700 records, according to the the National Oceanic and Atmospheric Administration
Modern researchers traced the path of a 19th-century sailing ship in order to compare ocean temperatures over the past century and found that the water started getting hotter much earlier than previously expected.
Countless landmarks captured in photos around the world went dark on Saturday, March 31, 2012 as a part of the Earth Hour celebration to raise awareness in a global effort for climate change.
The collapse of an ice sheet in Antarctica up to 14,650 years ago might have caused sea levels to rise between 14 and 18 meters (46-60 feet), a study showed on Wednesday, data which could help make more accurate climate change predictions.
The Environmental Protection Agency proposed the first limits on carbon dioxide emissions from U.S. power plants, a move cheered by environmentalists as a positive step toward addressing a pollutant linked to climate change.
South Carolina’s Folly Beach got a shocking surprise when something very unusual washed up on their shore over the weekend. The mysterious sea creature was identified by a South Carolina aquarium veterinarian as an Atlantic sturgeon.
The extinction of Australia's giant animals was caused by hunting, not climate change, a new study concludes.
The number of last surviving Maui's dolphins, the world's rarest and smallest marine dolphins, is estimated to be around 55 that call for urgency in conserving the endangered species from extinction, a new find suggests.
Hundreds of tornado fatalities in recent years have got people thinking. Does global warming lead to an increase in deadly twisters?