oceans

(Newser) - A far denser atmosphere may have allowed Earth-like oceans to flourish on Mars billions of years ago, the Telegraph reports. Analyzing data from the Mars rover Spirit, Professor Josef Dufek of Georgia Tech University concluded that the planet's atmosphere was once 20 times denser—perfect for harboring lots of...

(Newser) - Industrial emissions are causing the oceans to acidify at a fast rate—the fastest in 300 million years, say researchers from Columbia University. That could spell danger for sea creatures. In the last century alone, the pH of the oceans dropped by 0.1 units. That's 10 times faster...