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...
Earth's surface is the living skin of our planet—it connects the physical, chemical and biological systems.
Over geological time, this surface evolves. Rivers fragment the landscape...
Early universe observations by the James Webb Space Telescope (JWST) cannot be explained by current cosmological models. These models estimate the universe to be...
Does the existence of life on Earth tell us anything about the probability of abiogenesis—the origin of life from inorganic substances—arising elsewhere? That's a...
Is it tumbleweed? A piece of fishing line? Spaghetti?
A tangled object discovered by NASA's Mars Perseverance rover has intrigued space watchers, leaving some musing...
