A road trip through the geological ruins of our planet's worst mass extinction.
“As scientists we have a responsibility to be accurate about such comparisons.”
Whales have a history that is among the strangest and least-understood of any animal—and barnacles might be the key to unlocking their secrets.
What we can learn from the ruins of the HMS Terror
In the early 19th century, a series of massive quakes rocked Missouri. Some experts predict that the state could be in for another round of violent shaking, while others warn that a big quake could strike elsewhere in the center of the continent.