Farmers blame a food additive required by the Danish government to cut methane emissions, but the source is unclear.

The owner of a rescued lab dog considers if insights gleaned through animal research are enough to justify the practice.

The Ennedi rock art of Chad should not be read as decoration alone, but as a visual narrative of environmental change.

A political feud and a drive to end climate research has put the National Center for Atmospheric Research at risk.

Following the species' comeback, new pressures are converging on their wintering habitat along the Texas coast.

"The Giant Leap," by astrobiologist Caleb Scharf, is an optimistic account of our widening journey into the cosmos.

It's the nation's largest multi-program science and technology laboratory. But nuclear science is its history — and its future.

The omnipresent system that people use for navigation and positioning is increasingly vulnerable. Can it be improved?

It comes on the heels of the CDC Advisory Council on Immunization Practices eliminating long-standing recommendations for hepatitis B vaccines for newborns. Health Secretary Robert F. Kennedy Jr.

In late November, the Food and Drug Administration’s top vaccine regulator, Vinay Prasad, made headlines with an email to his staff announcing that the agency had linked the Covid-19 shots to the ...

From rocket launch to reentry, satellites are adding CO2 and other pollutants to every layer of Earth's atmosphere.