Overall, sea ice extent in the Arctic has been decreasing steadily throughout this past decade. In fact, the six lowest sea ice extents in the satellite record have occurred in the last six years (2007 to 2012).

Unlike 2010, when intense wildfires burned in western Russia, most of the 2012 fires have burned in remote parts of eastern and central Siberia.

2012 Arctic sea ice extent lowest ever recorded

Loss of Arctic sea ice could affect weather in northern winter. For example, it might amplify the jet stream, pushing colder temperatures further south.

Earth in Mars’ sky

The Mars rover Spirit captured this image on March 8, 2004. It was the first image of our world taken from another planet beyond our Earth-moon system.

How bees decide what to be

Johns Hopkins researchers link reversible 'epigenetic' marks to behavior patterns.

Susan Hovorka on carbon capture and storage

Susan Hovorka said, "If people want to reduce emissions of CO2 - while enjoying the benefits of fossil fuels - instead of emitting, you can capture and store."

NGC 7090 is edge-on spiral galaxy, actively forming stars

Because we're looking at it edge-on, we can't see this galaxy's spiral arms. But we can see the flat disk of the galaxy and its bulging mid-section.

Astronomers find two planets orbiting stars in Beehive cluster

The planets in the Beehive are the first ever found around sun-like stars in a cluster of stars.

Large coral loss seen over some Caribbean reefs

The International Union for Conservation of Nature reports that live coral cover has dropped to less than 10% over some Caribbean reefs.

How and when did the first planets form in our universe?

At an estimated age of 12.8 billion years, the HIP 11952 exoplanet system is one of the oldest systems known so far.

Super Typhoon Sanba eyes Okinawa, Japan and South Korea

Super Typhoon Sanba will threaten Okinawa, Japan late Saturday or early Sunday local time and will eventually push into South Korea by Monday.