Science & Tech

Scientists have digitized and analyzed imagery taken by one of the first U.S. weather satellites to create a montage showing the extent of polar sea ice in 1964 so they can compare it to more recent satellite photos.

We all deserve a break from the past week’s news. This NASA video could be just the right thing.

In New York on Monday, a group of scientists and entrepreneurs launched a quixotic program that could allow you (yes you!) to make a trip to Mars. But you can’t come back.

Alexis Will, a graduate student at the University of Alaska Fairbanks, calls herself a “Ninja of the Night,” but it has nothing to do with martial arts.

Officials say the Antares mission is a success, after a steady stream of status updates in which flight control engineers seemed to repeat “nominal” several times a minute. The vehicle will now drift in orbit before burning up in re-entry, likely in a few weeks, officials say.

The Southeast Alaska sea otter population well-more than doubled over the past decade. That’s according to an estimate from the U.S. Fish and Wildlife Service, which released a draft of its revised stock assessment this week. The numbers have been out for a while but the public now has a formal chance to comment on them.