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How monarchs find Mexico without a map
Researchers say they’ve cracked the secrets of the monarch butterfly’s internal compass.
April 20, 2016
New tree of life doesn’t look as you’d imagine
The tree of life, which depicts how life has evolved and diversified on the planet, is getting a lot more complicated.
April 19, 2016
Popocatépetl volcano hurls rock and fire
Awesome videos showing the fiery eruption of Mexico’s Popocatépetl volcano, which began Monday morning.
April 19, 2016
Eastern monarch butterflies at risk of extinction, scientists say
Populations of the charismatic orange and black monarch butterfly have plummeted. Will they be extinct in 20 years?
April 18, 2016
Powerful earthquakes in Japan and Ecuador
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.
April 17, 2016
Top 6 things about gravity
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.
April 15, 2016
Spiders with super-fast mousetrap mouths
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.
April 15, 2016
Rainbows around the world
Images of rainbows from all over the world taken by EarthSky's Facebook friends. Beautiful!
April 15, 2016
Gulf of Mexico dolphin deaths likely due to oil
Study finds higher rate of illness and death in newborns and juvenile bottlenose dolphins after Deepwater Horizon oil spill.
April 12, 2016
Another wave of bird extinctions in the Americas?
Several bird species are taking their final bows on the global evolutionary stage, and winking out. The situation in northeast Brazil is particularly dire.
April 11, 2016
