Huge and widespread volcanic eruptions triggered the end-Triassic extinction
March 21, 2013Some 200 million years ago, an increase in atmospheric CO2 caused acidification of the oceans and global warming that killed off 76 percent of marine and terrestrial species on Earth.
Mapping the early history of the moon
March 7, 2013In 41st annual Killian Lecture, Maria Zuber describes looking deep into the moon’s interior to chart its early history.
How human language could have evolved from birdsong
February 21, 2013Linguistics and biology researchers propose a new theory on the deep roots of human speech.
Evolution: It’s all in how you splice it
December 20, 2012MIT biologists find that alternative splicing of RNA rewires signaling in different tissues and may often contribute to species differences.
When the first stars blinked on
December 5, 2012The very first stars may have turned on when the universe was 750 million years old.
GRAIL reveals a battered lunar history
December 5, 2012Twin spacecraft create a highly detailed gravity map of the moon, finding an interior pulverized by early impacts.