Mayors from 435 U.S. cities have signed on to follow the Paris Climate Agreement.
President Trump is wrestling with the state of California over who gets to define auto emissions standards for carmakers: California or the federal government?
Students will consider the impact the Great Pacific Garbage Patch on the environment and marine life—and design a waste-catching device.
The teachers of today are training the scientists of the future with lessons from SciFri’s Educator Collaborative.
The Mars 2020 mission will search for ancient life on Mars. It might know what to look for thanks to a primordial rock in the Australian outback.