National Science Foundation

Reconstructing the tree of life

In 1837, Charles Darwin drew a tree of life, a primitive sketch suggesting that all organisms shared a common ancestry. Today, scientists still are trying to reconstruct these evolutionary branches, but using ...

May 01, 2014
4.3 / 5 (7) 10

Red moon at night; stargazer's delight

Monday night's lunar eclipse proved just as delightful as expected to those able to view it. On the East Coast, cloudy skies may have gotten in the way, but at the National Science Foundation's National Optical ...

Apr 16, 2014
5 / 5 (6) 1