President Obama saluted both bipartisanship and conservation Thursday as he signed the Energy Efficiency Improvement Act of 2015.

Federal agricultural officials announced Thursday voluntary programs and initiatives for farmers, ranchers and foresters meant to build on President Barack Obama's efforts to combat global warming

A Minnesota scientist in Costa Rica has discovered a new species of glass frog.

CAPE CANAVERAL, Fla.

BEIJING — Strict visa rules, choking air pollution, slow Internet and blocked websites are major impediments as this capital strives to reach a lofty global status in the next five years, a major i

IOWA CITY, Iowa — Starting in the fall semester, the University of Iowa will become the first of the state's three public universities to ban all forms of tobacco on its campus.

Three foreign tourists — two Austrians and an Italian — have died in an avalanche in the French Alps, and a fourth tourist has been taken by helicopter to a hospital in Grenoble with unspecified in

To see the Earth's ecology forest for its trees, first we have to acknowledge there aren't many large, intact forests around.

When a massive earthquake and tsunami triggered a meltdown at the nearby Fukushima Dai-ichi nuclear plant, Yumi Kanno did not hesitate.

PUCON, Chile (AP) — One of South America's most active volcanoes erupted early Tuesday in southern Chile, spewing heavy smoke into the air as lava surged down its slopes, prompting authorities to e