More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. NASA has been working on bipedal robots for over a decade. Valkrie, its early prototype, was completed in 2013. Humans won't be the only ones aboard future NASA missions . At Johnson Space Center in Houston, Texas, researchers on the agency's Dexterous Robotics Team are working on the next generation of advanced robots to aid crews during their increasingly uncharted journeys to the moon and possibly even Mars .

More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The genus-3 polyhedron is what's known as a toroidal polytope. It may be hard to believe, but mathematicians are still discovering shapes . The latest three-dimensional example is far stranger than your standard cube or pyramid. Dubbed the genus-3 polyhedron by Ruslan Mizhaev, the independent researcher's newly identified shape features eight faces arranged so that every pair shares at least one edge.

Science Space Deep Space Exoplanets Earth's closest alien life probably isn't very advanced, says new study Potential plant life may be a key indicator for exoplanet evolutionary timelines. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Many exoplanets orbit older red dwarf stars, which are dimmer and cooler than our sun. The sheer scale of the universe strongly suggests Earth isn't its only life-hosting planet. But do distant worlds harbor the types of advanced spacefaring civilizations depicted in science fiction, or just far simpler microbes?

Technology Aviation China's new supersonic plane could travel twice as fast as sound The TMS-10 is on track to complete a test flight by the end of the year. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. NASA's X-59 (seen above) is also intended to eventually provide commercial supersonic flight, although its design dampens sonic booms instead of dissipating them. The United States isn't the only nation itching to restart supersonic passenger air travel . Earlier this month, China announced its TMS-10 experimental demonstrator plane has entered the final assembly phase and is on schedule to conduct its first test flight by the end of the year.

The retrofitted Cessna handled taxiing, takeoffs, bad weather, and landings without a human pilot. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. A human safety pilot flew onboard during the trip, but never needed to assist the flight. A single-engine prop Cessna Caravan has reportedly become the first airplane to autonomously complete a cross-continental flight across the United States. Overseen by the aeronautics company Joby, the retrofitted aircraft began its challenge in Concord, California, on September 7, ultimately traveling 3,199 miles with no assistance from its onboard human safety pilot.

Germany's UC-30 struck a British mine on April 19, 1917. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Researchers required assistance from Danish naval divers to examine the submarine. A World War I submarine that sank nearly 110 years ago has been leaking explosive pollutants into the North Sea for decades. What's more, ocean researchers say the problem may worsen over time--not only near the German vessel itself, but at thousands of similar shipwrecks .

The'Zmeeviki' example highlights 11th century cultural clashes in Russia. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The front image likely depicts the warrior saint Theodore Stratelates. Archaeologists recently discovered a rare Russian medallion that depicts a dramatic cultural clash between medieval Christianity and ancient Greek mythology . Excavated about 400 miles southeast of St. Petersburg near the town of Staraya, the 11th century pendant appears to showcase a warrior saint on its face with the snake-topped head of Medusa on the back.

The USDA program uses fishmeal-coated bait bricks to lure raccoons and other animals. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Once most frequently seen in dogs, rabies is now contracted by a range of wildlife like raccoons and foxes. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .

Other lost items include hair ties, dozens of lens caps, AirPods, and even an inhaler. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy . Yellowstone National Park attracts more than 4.5 million visitors from around the world every year.

The'witness tree' in Eutaw Springs, South Carolina, also endured a lightning strike. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The live oak almost died when it was struck by lightning about 50 years ago. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .