Best photos of past Harvest Moons

Gallery of favorite photos of the Harvest Moon from friends on Facebook and Google+. Thank you all for posting. Shine on, Harvest Moon!

As ocean warms, Antarctica’s Pine Island Glacier thaws

“I think it is fair to say that the largest potential sea level rise signal in the next century is going to come from this area.” - Martin Truffer

Four facts: Arctic sea ice extent in 2013

There was more Arctic sea ice this summer than last. That is true. And yet 2013's summertime Arctic ice melt was still greater than the long-term average.

What is Earth’s habitable lifetime?

Habitable conditions on Earth will be possible for at least another 1.75 billion years, according to astrobiologists at the University of East Anglia.

How birds got their wings

Birds split from dinosaurs when their front limbs got longer and their back limbs got shorter, according to new research.

Today’s worst watershed stresses may become the new normal

“By midcentury, we expect to see less reliable surface water supplies in several regions of the United States,” said the study’s lead author, Kristen Averyt.

Amazing videos of lightning striking the ground

Amazing footage that shows how dangerous lightning can truly be.

Heavily logged forests still valuable for tropical wildlife

New findings challenge a long-held belief that there is limited, if any, value of heavily logged forests for conservation.

Study says new element 115, ununpentium, does exist

One more element may soon be added to the Periodic Table. On September 10, 2013, scientists reported evidence supporting the existence of element 115.

Only 20 Asian carp could establish breeding population in Great Lakes

These prolific fish are already widespread in stretches of the Illinois and Mississippi rivers, where they have severely overwhelmed native aquatic communities.