Two enormous space rocks have slammed together in a nearby planetary system, and for the first time astronomers have watched ...
Two cosmic collisions near the star Fomalhaut solve the mystery of a disappearing "planet" and show rare planetesimal crashes ...
Every 22 seconds, briefly in the low Earth orbit, there are two satellites moving close, less than a kilometer apart. For ...
A new study warns a powerful solar storm could cripple satellite mega-constellations within days, as crowded orbits, lost ...
Scientists warn of a potential disaster in low-Earth orbit, where a solar storm could instigate a catastrophic satellite ...
The Greenbank Telescope could join NASA's Goldstone Solar System Radar for planetary defense. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.
An interstellar object moving at roughly 137,000 miles an hour is making its closest approach to Earth this week, drawing ...