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Democratic U.S. Rep. Raúl M. Grijalva of Arizona, who championed environmental protection during his 12 terms in Congress, died Thursday of complications from cancer treatments, his office said.

Calls are mounting for Australia to wind down global fossil fuel exports.

In downtown Kabul, Afghanistan, a bustling bazaar sells the rare ingredients used in the millennial art of natural vegetable dyeing. Nathan Santamaria travels through the catacomb-like spaces of the market and all of its chaos to the place where the dyes are sold.

Asylum seekers in the U.S. face myriad of challenges: housing instability, financial stress and legal uncertainty. One new outdoor program in Maine is helping to ease that stress for young asylum seekers by getting them out into nature.

Physicists' understanding of the nature of the universe has taken a blow. An experiment with neutrinos has produced a result that breaks the rules scientists think govern the subatomic world.

Years of vibrant growth in the live music scene in Bloomington-Normal have benefitted men, not women. Maybe that shouldn’t be a complete surprise. A study…

This spring, the historic Oregon's Pine Creek Ranch becomes federally protected wilderness, and back country volunteers are tearing down the miles of rusty barbed wire surrounding the land.

Researchers have been using muons to take a peek inside the nuclear reactors in Japan that melted down in 2011. The results could aid the continuing cleanup operations.

When CBS announced a new show where activists would take part in competitions, critics said the format made a mockery of actual activism. Now, the show will drop the competitive element.

Science writer Chris Solomon tells NPR's Arun Rath that global warming has caused an influx of new diseases in animals that could eventually spread to humans.