Science

The International Dark-Sky Association has named only three "gold-tier reserves" on Earth where a "full array of visible sky phenomena can be viewed." There's only one in the Northern Hemisphere — at the the Kerry International Dark Sky Reserve in far Southwestern Ireland.

It was 15 feet long, with a snout shaped like a dolphin's. This newly identified meat-eater swam the seas near the Isle of Skye in the time of dinosaurs.

Many crops we eat today are the product of genetic modifications that happen in a lab, not in nature. Scientists and consumers are divided how cautious we need to be about these foods.

The disease known as white-nose syndrome has killed millions of bats, but scientists are seeing hopeful signs that some bat colonies are recovering.

The U.S. House passed legislation to approve the pipeline on Friday and the Senate is expected to take up the issue in coming weeks. President Obama has threatened a veto. In the meantime, a legal challenge over the route the pipeline would take through Nebraska has been resolved — for now.