Global warming is producing a rapid loss of plant species -- according to estimates, roughly 600 plant species have died out since 1750 -- twice the number of animal species lost. But which species ...

Glaciers, sediments, and pollen can be used to reconstruct the climate of the past. Beyond "nature's archive," other sources, ...

Basic controls are needed at the U.S. Treasury, Elon Musk said on Tuesday, after a U.S. district judge on Saturday blocked ...