A Californian's stand against gas cars, mystery deepens in the killing of a Caltech physicist and more big stories ...

The tropical forests of the Amazon and Andes are some of the most biodiverse places on the planet, but across both regions, changes in climate and landscape conditions are driving a shift in the ...

Simultaneous emergencies in different parts of the world could stop countries from sharing ground crews and equipment, new research warns.

Along with forests, grasslands and wetlands are also being converted to cropland and pasture at an increasing rate around the world—often for livestock farming and the export of agricultural products.

The desert tortoise, a once-resilient reptile, is a keystone species in the Mojave Desert, where other animals depend for their survival on the burrows it digs. But it is imperiled in California ...

Mining is banned on the frozen continent. But new research suggests that could change as ice melts and land and valuable minerals are exposed.

A father hunts for his missing daughter in this tense Spanish thriller, but it’s not clear what director Óliver Laxe intends ...

Earth’s green center has been drifting steadily for decades, reflecting a change in where vegetation grows most intensely.

For decades, wilderness lands have been left largely unaltered by human activity. But those places are still changing, and ...

Ventura County is an agricultural hub renowned for premium produce, like strawberries and avocados. But, based on recent ...

The disappearance of “Today” show host Savannah Guthrie’s mother three weeks ago has inspired volunteers to launch their own searches in the dense desert near her home just outside Tucson ...