News tagged with northern hemisphere

Snow cover hits record lows

(Phys.org)—Santa Claus may someday need wheels for his sleigh – satellites show a decreasing amount of snow in the Northern Hemisphere.

Dec 04, 2012
5 / 5 (4) 4

Arctic sea ice larger than US melted this year

(AP)—An area of Arctic sea ice bigger than the United States melted this year, according the U.N. weather agency, which said the dramatic decline illustrates that climate change is happening "before our eyes."

Nov 28, 2012
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What's baking on Saturn's moon Titan?

(Phys.org)—Radar images from NASA's Cassini spacecraft reveal some new curiosities on the surface of Saturn's mysterious moon Titan, including a nearly circular feature that resembles a giant hot cross ...

Oct 16, 2012
5 / 5 (10) 1 | with audio podcast

CubeSats launched from the space station

Five tiny CubeSats were deployed from the International Space Station on Thursday and astronaut Chris Hadfield called the image above "surreal" on Twitter. And rightly so, as they look like a cross between ...

Oct 08, 2012
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Northern conifers youngest of the species

Dramatic shifts in the planet's climate and geography over millions of years changed the course of evolutionary history for conifer trees, according to a Yale paper in the Proceedings of the National Academy of Sciences.

Oct 04, 2012
5 / 5 (1) 0 | with audio podcast

Scientist turn focus to Titan

(Phys.org)—Humanity has landed a rover on Mars. Now, say scientists, it's time to land a boat on Titan. This outlandish scenario could become reality, according to engineers presenting their proposals at ...

Sep 28, 2012
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