Spain's second-largest city is becoming a model for sustainable urban planning.
James and Kathryn Murdoch said they were “disappointed with the ongoing denial” after months of devastating fires in Australia.
The military reportedly admitted having documents and footage on a famous 2004 sighting, but it's top secret.
A new study on teaching middle schoolers about sexual violence and dating abuse yields interesting clues.
Diego has had one very busy life, helping to save the Chelonoidis hoodensis from extinction.
The White House faced a blizzard of criticism after tweeting about nonexistent snow.
The international tobacco treaty bars corporate influence at its negotiations. So why aren't the largest carbon emitters banned from climate conferences?
Friday night's "wolf moon" was snapped by stargazers around the world.
There are a few factors that affect whether you recall what happened in your brain during sleep.
Wearing special glasses held in place by glue and Velcro, cuttlefish test subjects showed they have depth perception like humans.
Alexzandria Wolliston said she won the jackpot with the births of Mark and Malakhi in March and Kaylen and Kaleb in December.
The former Trump aide made a bizarre "joke" about the teen's name and body.
"Will they be like you and me, made up of carbon and nitrogen?" asked Helen Sharman. "Maybe not."
The intellectual godmother of the Green New Deal movement laid out what, exactly, such a plan must entail to be successful.
NASA's Christina Koch has spent more consecutive days in space than any other female astronaut.
The Massachusetts senator’s growing arsenal of Green New Deal proposals amounts to an industrial policy that could scale quickly, new research shows.
The Vermont senator repeatedly flipped the premise of questions to focus on the stakes of failing to curb emissions.
The Massachusetts senator picked up an endorsement from a key figure in the Green New Deal movement just before the debate in Los Angeles.
Fourteen oil and gas companies are funding a website that attacks scientists and undermines their work.
The ad hammers a dystopian message, raising the stakes in a race between a Green New Dealer and a governor once pejoratively nicknamed "Frackenlooper."