Is Human Evolution About to Mirror "Evolution’s Big Bang"?
Is Human evolution about to mimic Evolution’s Big Bang? Stephen Hawking thinks so. For billions of years, simple creatures like plankton, bacteria, and algae ruled the...
Image of the Day: The Red Arc of Comet Siding Spring
Comets terrified Henry V111 and the Elizabethans. But we think they’re cool (as long as they miss the Pale Blue Dot). Some...
EcoAlert: Mount Sinabung Volcano -Engine of Climate Change
Thick smoke and ash spew from the summit of Mount Sinabung, as seen from Tanah Karo in Sumatra. Thousands of Indonesians were evacuated from the...
Image of the Day: The Ghostly Beauty of Massive Star Death
Such a star death is violent even by the standards of our violent universe. If our Sun could become a supernova, which is can’t because...
EcoAlert: Earth’s Shrinking Atmosphere
The shrinking of the Earth’s high outer atmospheric layer has been linked to a sharp drop in the sun’s ultraviolet radiation levels. The research, led by scientists...

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