Exoplanets & Exomoons Galactic Cosmic Rays on Extrasolar Earth-like Planets: Atmospheric Implications Press Release March 24, 2016
Impact events Plants Survive Better Through Mass Extinctions Than Animals Press Release February 17, 2015
Habitable Zones & Global Climate Small Impacts Likely Erased Much of Earth's Primordial Atmosphere Press Release December 2, 2014
Impact events Ocean Asteroid Impact Could Deplete Earth’s Protective Ozone Layer for Years Press Release October 24, 2010
Extinction events Tiny Shelled Creatures Shed Light On Extinction And Recovery 65 Million Years Ago Press Release March 1, 2010
Extinction events NASA Study Shows Asteroids May Have Accelerated Life on Earth Press Release May 9, 2009