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 "catastrophic" tornado tore through the southern US state of Arkansas and killed three people on Friday, while severe storms further north caused the...
The administration of President Joe Biden on Tuesday announced it would restore safeguards in a cornerstone environmental law weakened under Donald Trump—including a duty...