US Treasury Secretary Jack Lew Calls for Immediate Action on Global Warming

Climate change is already a strain on U.S. fiscal health and could be a further drag on the world’s largest economy if the problem...

International Whaling Conference Votes Against Japan’s Whale Hunt

An international whaling conference voted Thursday against Japan's highly criticized plans to resume whaling in the Antarctic next year, but Japan vowed to go...

Thousands March Through Manhattan Calling for Action to Reverse Global Climate Change

Tens of thousands of people marched through Manhattan sounding an urgent call for action to reverse global climate change Sunday. One marcher's sign read "cut...

NASA’s MAVEN Spacecraft Enters Mars’ Orbit

Mars just acquired a new orbiting robot buddy. At 7:24 p.m. PDT (10:24 p.m. EDT) on Sunday (Sept. 21), NASA’s Mars Atmosphere and Volatile Evolution...

Autumnal Equinox Begins September 22

Astronomical fall officially begins tonight. The autumnal equinox in Alabama is Monday, Sept. 22 at 9:29 p.m. CDT, marking the astronomical start of fall in...

Scientists Say Global Emissions of Greenhouse Gases Jump 2.3 Percent

Global emissions of greenhouse gases jumped 2.3 percent in 2013 to record levels, scientists reported Sunday, in the latest indication that the world remains...

Weather Delays SpaceX Falcon Rocket Launch

Space Exploration Technologies delayed its cargo run to the International Space Station for NASA on Saturday after thick cloud and rain socked in its...

Royal Observatory Greenwich’s Photo Contest Highlights Incredible Images of the Night Sky

The Royal Observatory Greenwich's Astronomy Photographer of the Year competition highlights stunning pictures of the cosmos in five categories, with a couple of special...

5 Things You Should Know About the UN Climate Summit

New York will be at the epicenter of the climate change debate next week. More than 120 world leaders will attend a one-day summit...

Astronomers Find Supermassive Black Hole in Dwarf Galaxy

Sometimes big surprises come wrapped in tiny galactic packages. That’s the strange find from a team of astronomers who discovered an enormous supermassive black...

People’s Climate March in New York Expected to Draw More Than 100,000

Organizers of the People’s Climate March expect more than 100,000 people to take part in the event in New York on Sunday Sept. 21. Scheduled...

Summer of 2014 Becomes Hottest Summer on Record

The planet just had its hottest summer on record, according to data released Thursday by NOAA's National Climatic Data Center. It's also well on...

Study Suggests that Chimpanzees are Born Violent

For years, anthropologists have watched wild chimpanzees "go ape" and attack each other in coordinated assaults. But until now, scientists were unsure whether interactions...

The World Could Hold 11 Million People by 2100

In a paper published Thursday in Science, demographers from several universities and the United Nations Population Division conclude that instead of leveling off in...

Mark Ruffalo Calls on Obama to Ban Fracking

Actor and activist Mark Ruffalo called on US president Barack Obama to ban fracking and make the US the renewable energy capital of the...

Leonardo DiCaprio Appointed UN Representative on Climate Change

The Hollywood actor, Leonardo DiCaprio, has been appointed as a United Nations representative on climate change. The UN secretary general Ban ki Moon said the...

‘Fireball’ Seen in the Sky Over East Coast and Midwest

Scores of reports are coming in Monday of a large "fireball" in the sky over the East Coast and Midwest, the American Meteor Society...

NASA Identifies Only 10 Percent of Potentially Hazardous Asteroids

In spite of having spent almost $100 million since 1998 on a project to identify potentially hazardous asteroids before they can hit the Earth,...

Area Covered by Antarctic Sea Ice Reaches Record High

Satellite imagery reveals an area of about 20 million square kilometres covered by sea ice around the Antarctic continent. Jan Lieser from the Antarctic Climate...

Rare ‘Blue Moon Diamond’ Goes on Display at Natural History Museum in LA

A rare ‘Blue Moon Diamond” has gone on display in Los Angeles today. Perhaps even more rare than its color is the fact that...