“For some of the [low Earth orbit] science missions, we saw a lowering of the [satellite’s] orbit of anywhere from dozens of meters to hundreds of meters,” recalled NASA’s DeHart following the May ...

NASA’s Double Asteroid Redirection Test, known as DART, has produced a result that goes well beyond what the mission originally set out to prove. When the spacecraft slammed into the small asteroid ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The solar system suddenly has a new member. A new object ...