Space rarely gives up its secrets easily. For instance, what looks like a single ...

Light from the half a million satellites that humanity is planning to launch into Earth's orbit in the coming years could contaminate almost all the images taken by space telescopes, NASA astronomers ...

Public opposition to the military’s plan to build up to seven telescopes in a state conservation district atop Haleakalā has been mounting in recent weeks, after the release of a draft environmental ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...