NASA scientists are sounding an alarm that would have been unthinkable a decade ago: the same commercial satellite constellations promising global internet coverage could severely compromise the ...

This is the first time humans have laid eyes on these deep space objects.

There are about 15,000 satellites orbiting Earth. Most of them, like the International Space Station and the Hubble Telescope, reside in low Earth orbit, or LEO, which tops out at about 1,200 miles (2 ...

The venerable Hubble observatory is going strong despite its decades in space and the advent of next-generation successors ...

Our view of space is under threat from the rapidly growing cloud of satellites circling the planet. Streaks of reflected light from satellites are ruining space telescope images all over the world.

Amazon’s new fleet of internet-beaming satellites may be bright enough to interfere with astronomical observations, a study ...