Jeff Bezos’ rocket company has gotten government approval to launch people into space, himself included. The Amazon founder will climb atop his New Shepard rocket next Tuesday in West Texas, joined...

A plump robin wearing a tiny metal backpack with an antenna hops around a suburban yard in Takoma Park, then plucks a cicada from the ground for a snack. Ecologist Emily Williams watches through bino...

NASA has released a stunning new picture of our galaxy’s violent, super-energized “downtown.” It’s a composite of 370 observations over the past two decades by the orbiting Chandra X-ray Obse...

A navigation timing error sent NASA’s little Mars helicopter on a wild, lurching ride, its first major problem since it took to the Martian skies last month. The experimental helicopter, named Inge...

The Biden administration’s solar power ambitions are colliding with complaints the global industry depends on Chinese raw materials that might be produced by forced labor. A big hurdle is polysilic...