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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.
September 19, 2013
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.
September 19, 2013
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.
September 18, 2013
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.
September 18, 2013
Amazing videos of lightning striking the ground
Amazing footage that shows how dangerous lightning can truly be.
September 18, 2013
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.
September 17, 2013
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.
September 17, 2013
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.
September 16, 2013
Epic flooding hitting the Boulder, Colorado area
The National Weather Service used the word "biblical" to describe ongoing flooding in Colorado. Many are evacuating as water levels rise.
September 13, 2013
Insight into the hidden world of frozen oceans
Beneath the ice crust of a frozen ocean, microscopic algae and bacteria thrive. As the Arctic becomes ice-free, they will play a new role in Earth's ecology.
September 13, 2013
