Grand canyons on the moon? Asteroid strike billions of years ago carved out 2 massive gorges
That's good news for scientists and NASA, which is looking to land astronauts at the south pole on the near, Earth-facing ...
Astronomers thought Elon Musk’s Tesla Roadster was an asteroid. It points to broader problems tracking objects in deep space
Astronomers mistook a car SpaceX blasted into space years ago as an asteroid. The brief mix-up highlights the sometimes ...