The Milky Way May Have Just Lost a Whole Bunch of Satellite Galaxies

Astronomers discovered two previously invisible galaxies 29 billion light-years away. Their discovery suggests that up to 1 in 5 such distant galaxies remain hidden from our telescopes, camouflaged by cosmic dust. The finding changes perceptions of our universe’s evolution since the Big Bang.

China boosts Earth-observation abilities with 2 Gaofen satellite launches

Russian anti-satellite missile test draws condemnation from space companies and countries