Feathers are among the most complex cutaneous appendages in the animal kingdom. While their evolutionary origin has been widely debated, paleontological discoveries and developmental biology studies suggest that feathers evolved from simple structures known as proto-feathers.
These...
Lava from Hawaii's most active volcano created fountains that reached 700 feet (215 meters) Thursday during the latest episode of an ongoing eruption.
Kilauea began continuously releasing lava from its summit caldera inside Hawaii Volcanoes National Park...
A massive storm blowing across the country Tuesday spawned several tornadoes that wrecked buildings and injured a handful of people in Oklahoma and Texas,...
Water supplies to some US states and Mexico will be cut to avoid "catastrophic collapse" of the Colorado River, Washington officials said Tuesday, as...
The National Science Foundation said Tuesday it plans to conduct a study to evaluate the environmental effects of building one of the world's largest...
NASA astronauts will go back to riding Russian rockets under an agreement announced Friday, and Russian cosmonauts will catch lifts to the International Space...
America's national parks are in crisis, and the environmental disaster unfolding at Yellowstone National Park is the latest example of extreme weather driven by...
Raging floods, devastating fires, powerful thunderstorms and a dangerous heat wave affecting a third of the population: the United States was being walloped Tuesday...
A classified satellite for the U.S. National Reconnaissance Office was launched into space from California on Sunday.
The NROL-85 satellite lifted off at 6:13 a.m....
A study on metal concentrations in U.S. community water systems (CWS) and patterns of inequalities, researchers at Columbia University Mailman School of Public Health...