Scientists long assumed that as trees got older, they grew slower—just like us. But a new study underscores the climate benefits of the oldest, biggest trees

Scientists long assumed that as trees got older, they grew slower—just like us. But a new study underscores the climate benefits of the oldest, biggest trees
Life is full of moral dilemmas, and a new study shows we may be better at resolving them than we think
A company in southern China is playing God big time
Photos from orbit capture work sites on the Moon and Mars
Authorities have virtually no way of regulating many industrial chemicals. The latest spill could change that.
Only 400 left
The pros and cons of seismic exploration in the Atlantic
In his forthcoming book The Tale of the Dueling Neurosurgeons, Sam Kean details the surprising history of the human brain. A look at how one royal mind opened the door for all of science to come
Many conservationists were outraged when the Dallas Safari Club auctioned off the right to kill a critically endangered black rhino. But a legal hunt might just help the species—and won’t hurt the bigger fight against poaching
As coal regains footing, U.S. carbon emissions are likely back on the rise