The tree of life, which depicts how life has evolved and diversified on the planet, is getting a lot more complicated.
Awesome videos showing the fiery eruption of Mexico’s Popocatépetl volcano, which began Monday morning.
Populations of the charismatic orange and black monarch butterfly have plummeted. Will they be extinct in 20 years?
Lots of non-humans – octopuses, crows, monkeys, machines – are intelligent. Could some also be conscious?
Japan was struck by a 7.0-magnitude earthquake on April 15, 2016. One day later, on April 16, Ecuador was struck by a 7.8-magnitude earthquake.
Gravity does far more than make things fall down. It governs the motion of planets around the sun, holds galaxies together and determines the structure of the universe.
In the forests of South America and New Zealand, trap-jaw spiders have mouths clamp down on their quarry like a mousetrap, at lightning speeds.
This new and wonderful video from SkyGlowProject.com will let you experience the 2016 superbloom of wildflowers in Death Valley National Park.
A rainbow isn’t a flat two-dimensional image on the dome of sky. It’s more like a mosaic, composed of many separate bits … in three dimensions.