meteorite
Study: Dino Populations Were Waning Before Wipeout
Study: Dino Populations Were Waning Before Wipeout
Bob Grant | Apr 19, 2016
The massive rock that smashed into Earth 66 million years ago killed off many dinosaur species, but the animals were in steady decline for millennia before the cataclysm, researchers report.
Point of Impact
Point of Impact
Erin Weeks | Sep 16, 2013
The collision of comets and icy surfaces can spur the formation of amino acids.
Meteorite hints at life’s origins
Tia Ghose | Jun 9, 2011
As debate continues to swirl around arsenic-loving bacteria, a space rock yields new astrobiological clues.