Five satellites due to launch this week could be brighter than most stars, and astronomers fear the growth of such ...
In a rare occurrence, the Earth is going to capture an asteroid in its orbit, making the asteroid a mini-moon.
When approaching Earth, asteroids tend to do one of two things: Most of the time, they miss. Sometimes, they hit, leaving a ...
More and more satellites are orbiting the earth. Grant Tremblay of the American Astronomical Society tells NPR's Scott Simon they are making stars harder to see and study.