If you're flying a recreational drone in the United States, pretty soon you'll have to register it with the U.S. government. Regulators have not yet decided how registration will work, but they hope the change will make recreational drones safer to the…
A new study may explain why elephants rarely get cancer. This study found that elephants have 40 copies of a gene called TP53. TP53 is a gene that finds mistakes in copied cells and deletes them. Because elephants grow a lot and live…
NASA scientists found evidence of flowing water on the surface of Mars. If confirmed, this could be a game-changer. Namely, access to water on mars could make a manned voyage there much more likely. But scientists — and non-scientists — still have many…
The tallest mountain in North America is officially taking its name back. President Obama announced in September that Alaska's Mount McKinley will officially be known as Denali. Locals have already been calling the mountain Denali for generations. The name comes from the…
The New Horizons probe has shed new light on a previously dark corner of our solar system. The spacecraft sent back new images of the dwarf planet Pluto, after passing by it from 7,767 miles (12,500 km). Pluto is the most…
Some humpback whales could soon be coming off the endangered species list. The National Oceanic and Atmospheric Administration (NOAA) wants to reconsider whether all humpback whales should be on the endangered species list. Instead, the NOAA would consider each of the world's…
A Japanese magnetic levitation (maglev) train has broken its own world speed record. In a test run near Tokyo's Mount Fuji, the train hit 374 mph (603 km/h). The train's previous speed record was 367 mph (590 km/h). Central Japan Railway, which owns…
The Amur leopard population has more than doubled since 2007. Researchers believe there are between 65 to 69 Amur leopards today, compared to only 30 in 2007. Most live in Russia’s Land of the Leopard National Park. Others live just across the border…
Paul Bunyan most certainly hailed from Bemidji, Minnesota. That is, unless he came from Bangor, Maine. Both cities have statues of the giant folk hero lumberjack, and both cities claim he was born there. The two cities have had a friendly rivalry…
International ships are no longer unknowingly releasing invasive species into the Great Lakes and St. Lawrence Seaway, a new report has found. Many big ships carry water in ballast tanks. This ballast water makes the ships heavier and easier to control. However, officials…