XR flew about 1.37 million miles (2.2M km) away from Earth. The space rock is estimated to be about 300-700 km (248-434 miles ...

The lunar canyons Vallis Schrödinger and Vallis Planck are extraordinarily deep, and scientists now know the valleys were ...

The Future City® Competition, an annual event organized by DiscoverE (Discover Engineering), is once again inspiring middle and high school students to dream big and tackle global challenges. Now in ...

A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly ...

Hamas handed over a third hostage, US-Israeli dual national Keith Siegel, to the Red Cross at the Gaza City seaport on Saturday. Saturday's handover saw none of the chaotic scenes that overshadowed an ...

Aircraft window trim, a waterlogged cockpit checklist and American Airlines branded sugar packets joined a grim collection of debris plucked from the icy Potomac River on Thursday by local environment ...

North Korea is set to open a long-awaited beachfront "tourist city" later this year as the "first big step" to developing the country's tourism industry.