Some answers from an atmospheric scientist
In 2000, the ozone hole was at its largest. Read on for more facts about the ozone hole.
Venus Express orbiter finds a cool spot.
Enjoy being alive? Thank these fossilized shrooms.
Just like onions and cartoon ogres
There may be up to three layers of different kinds of ice.
A common industrial material turns stem cells into bone cells, a discovery that could throw open the door to major tissue engineering breakthroughs.
Mark those eggs!
Both the Atlantic and Pacific areas saw a record number and intensity of storms.
Only a week and a half after turning the beam on, the Large Hadron Collider has sprung a leak
A new study is the first to identify a molecular basis for cat coat patterns. Could cat stripes be an immune defense mechanism?
One of the unexpected parts of not having a sense of smell.
How green are aerosol cans now, with chlorofluorocarbons out of the picture?
Harvard has a world-class trove of valuable astronomical data. But it's in the form of half a million glass photographic plates
On the 40th anniversary of Earth Day, we take a look back at where it all began
Our experts tackle your toughest science questions
Cheery happy times
A new theory of anthropogenic climate improvement
Texas Schoolbook Massacre