5+ hour, 21+ min ago  (1066+ words) A Science study using 300,000 fossils finds east-west coastlines trapped species at one latitude, raising extinctions over 540 million years. (CREDIT: Science) Coastlines can look like simple lines on a map. Over Earth's history, they acted more like gates and traps. A…...

3+ week, 1+ day ago  (1316+ words) Sediment drilled from beneath Greenland's Prudhoe Dome shows the ice cap vanished about 7,000 years ago, offering new clues about future melt. (CREDIT: Jason Briner/University at Buffalo) Deep under Greenland's ice, a thin layer of frozen dirt and rock has…...