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Did human limbs evolve from shark gills?
The Sonic Hedgehog gene drives embryonic development of mammal limbs and shark gills. Could our limbs have evolved from gills?
April 30, 2016
Did Earth’s magnetic field collapse for 2 hours on April 23?
No, Earth's magnetic field did not collapse for 2 hours on April 23. The erroneous story, which is still spreading, originated with a glitch in a computer simulation.
April 28, 2016
Does this jellyfish look like a spaceship, or what?
Video of a spectacular jellyfish that floated past NOAA's ROV on April 24, 2016 in the Mariana Trench - the deepest oceanic trench on the planet.
April 27, 2016
Dinosaurs already in decline before asteroid apocalypse?
New research suggests that dinosaurs were in decline tens of millions of years before the meteorite impact that finished them off.
April 26, 2016
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
