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...

Comets terrified Henry V111 and the Elizabethans. But we think they’re cool (as long as they miss the Pale Blue Dot). Some...

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...

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...

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...