The space agency is adapting technology used to test for life on Mars to help preserve it here on Earth.
The president wants to fast-track the Trans-Pacific Partnership and other trade deals. Republicans are down with that. Democrats and enviros are not.
The Bulletin of Atomic Scientists ticks its Doomsday Clock closer to midnight.
The military is trying to shift the habits, routines, and practices of individual service members.
NOAA's graph can't even handle the ocean's rising temperature, and neither can we.
James Inhofe, the Senate's leading climate denier, is leading the charge to undermine the U.S.-China climate pact and a future Paris agreement.
Nanopesticides herald the extreme tinification of agricultural chemicals and could spark a farming revolution. Gulp?
Specialist eaters like chinstrap penguins could face species-ending food shortages, while generalists like gentoo penguins thrive.
California's giant trees -- including its showstopping sequoias and redwoods -- are growing smaller under climate pressure.