A Methane Spike Indicates Active Processes On Mars

The more we learn about Mars, the more we learn it's a deceptively active planet. Most recently, the Curiosity rover sniffed out a sharp spike in methane levels that dropped back down just as quickly, suggesting some yet-to-be-determined process is currently happening to trigger the aberration. » 12/17/14 1:01am Wednesday 1:01am

This Ancient Asteroid Strike Was More Insane Than We Realized

Around 3.26 billion years ago — long before the dinosaurs — a massive asteroid measuring nearly 36 miles (58 km) across smashed into the Earth. Geologists have now reconstructed this cataclysmic event, and it was far, far bigger than we thought. Here's how things went down on that fateful day. » 4/10/14 12:00pm 4/10/14 12:00pm

Scientific estimate puts total BP oil spill at 4.4 million barrels

Research published in Science shows that the BP oil leak pumped out approximately of 4.4 million barrels of oil before being completely capped. That's around 185 million gallons, or 700 million liters. Scientists from Columbia University's Lamont-Doherty Earth Observatory studied high resolution footage of the plume,… » 9/23/10 1:00pm 9/23/10 1:00pm