Learn about animals, weather and natural disasters, alternative energy, environmental politics and space.
Mon, May 25, 2015 1:24 AM
Beautiful rainbow-like phenomenon is awe-inspiring, and can be a rare sight in many parts of the world.
The escape system can be activated even once in orbit, thus increasing astronaut safety.
The galaxy's first stars began forming about 200 million to 300 million years after the Big Bang.
As the Eta Aquarids meteor shower puts on its annual show, here's how you can watch it.
Just being happy isn't enough. What really matters is how you gain your happiness.
The glacier-carved inlets play an outsized role in the global carbon cycle, a new study reports.
After last year's traumatic nesting season, bird lovers are creatively increasing awareness of night herons.
Researchers determined that a nine-year drought comes around once every 177 years.
Mice exposed to the harmful particles lost some pathways that allow neurons to travel in the brain.
Let's see how well you know your own species' family tree.
After 'The Daily Show,' the famous funnyman gets serious about farm animal protection.
Some of the earliest photos ever taken in Mexico show the country in a new light.
Scientists first heard the Sichuan bush warbler sing in 1992, but it took two decades to find and identify the new species.
Scientists have been monitoring the volcano for 15 years by measuring movements in the seafloor.
Before you head out to explore a reef or swim along the coastline, learn which species to avoid.
These receptors are built for speed, allowing bats to respond to stimuli in a split second.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.