Martian polygons and deep-sea polygons on Earth: More evidence for ancient Martian oceans?
(Sunday, July 29, 2012)
New Mystery on Mars' Forgotten Plains
(Wednesday, October 12, 2011)
Raising Giant Insects to Unravel Ancient Oxygen
(Friday, October 29, 2010)
New theory for mass extinctions
(Tuesday, October 24, 2006)
Meteor impacts: Life's jump starter?
(Monday, August 8, 2005)
When Earth turned bad: New evidence supports terrestrial cause of end-Permian mass extinction
(Saturday, December 4, 2004)
Top Mars Exploration Scientists to Speak in Denver Tuesday, 9 November 2004
(Friday, November 5, 2004)
Sand Ripples Are Taller on Mars
(Monday, November 3, 2003)
Extraterrestrial Enigma: Missing Amino Acids in Meteorites
(Monday, November 3, 2003)
A moonwalker's perspective 30 years later
(Tuesday, October 29, 2002)
Hidden Face of Mars Uncovered by Father & Daughter
(Friday, October 25, 2002)
Sounding Europa on the Cheap: Eavesdropping on Ice
(Friday, October 25, 2002)
Evolution upset: Oxygen-making microbes came last, not first
(Friday, October 25, 2002)
Impact events' kinetic energy may be key to understanding the severity of mass extinctions
(Wednesday, April 3, 2002)
Rock solid evidence of Manicouagan impact causing earthquake
(Monday, March 25, 2002)
The K-T impact extinctions: Dust didn't do it
(Wednesday, January 23, 2002)
Planetary Sciences Best Student Paper Award
(Wednesday, January 2, 2002)
A Curve Ball into the Snowball Earth Hypothesis?
(Monday, December 3, 2001)
Discovery of Buried Impact Craters on Mars Widens Possibility of an Ancient Martian Ocean
(Thursday, November 8, 2001)
Early Critters in Microbial Mats: Evolution or Just a Strange Environment?
(Thursday, November 8, 2001)
Finding Life In The Solar System: A New Synthesis
(Thursday, November 8, 2001)
Geological Myth Busting: Extraterrestrials Really Don't Impact Volcanoes?
(Thursday, November 8, 2001)
Volcanoes Still Active on Mars? New Evidence for Ongoing Volcanism and Water Release
(Thursday, November 8, 2001)
Permian Extraterrestrial Impact Caused Largest Mass Extinction on Earth
(Tuesday, August 28, 2001)
A Disturbance In the "Force" Caused the K-T Impact?
(Thursday, June 28, 2001)
Mass Extinction At The Triassic-Jurassic Boundary: Where's The Smoking Gun?
(Thursday, June 28, 2001)
Snowball Fight In Edinburgh
(Thursday, June 28, 2001)
Wheels Within Wheels: Rare Orbital Anomaly May Have Caused Global Cooling
23 Million Years Ago
(Thursday, June 28, 2001)
Where there's soup, there's life
(Wednesday, June 27, 2001)
Venus holds clues to finding Earth's platinum and diamonds
(Wednesday, June 27, 2001)
The Goldilocks effect: How other earths form just right
(Wednesday, June 27, 2001)
Subglacial volcanoes (and life?) on Mars
(Wednesday, June 27, 2001)