One scientist started in the Arctic Ocean and ended up crossing the Russia-Finland border on a folding bicycle procured in Germany.
Nightcap oaks have lived through massive geologic upheavals. But they might not survive humanity’s influence on Earth.
A man-made blaze on a remote Utah mountainside could provide valuable insights into the behavior of the powerful wildfires growing more and more common out West.
A pair of researchers found evidence that the insect population in a Puerto Rican rain forest was in free fall. But another team wasn’t so sure.