A new space race? China adds urgency to US return to moon

It's not just rocket fuel propelling America's first moonshot after a half-century lull. Strategic rivalry with China's ambitious space program is helping drive NASA’s effort, as both nations push to establish the first lunar bases.

Mysterious UFOs: A look at sightings in Minnesota

It’s been 43 years since Minnesota’s most infamous UFO sighting. Now decades later, hundreds of unidentified flying objects are still being reported across the state.

September's harvest moon: What to know

The next full moon is the harvest moon. Stargazers can see it, appearing opposite the sun in Earth-based longitude, at 5:59 a.m. ET on Saturday morning.