John C. Barentine

SpaceX Starlink satellites designed to connect directly to smartphones shine nearly five times brighter than traditional Starlinks, a recent study found.

Where to find The Wintermaker, Curly Tail, The Sacred Loop and more indigenous constellations in the night sky.

Astronomers on Monday warned that the light pollution created by the soaring number of satellites orbiting Earth poses an "unprecedented global threat to nature".

A GEOMAGNETIC storm has doomed dozens of SpaceX satellites to a fiery demise by preventing them from reaching their final orbit. Forty of the 49 Starlink satellites launched by the California rocke…

Astronomers are using a new word to express their grief over the loss of dark skies: noctalgia. Learn more about sky grief here. The post Astronomers have noctalgia (sky grief), or sadness at the loss of dark skies first appeared on EarthSky.

The world has never been brighter. The move to more efficient LED lights has exacerbated the light pollution problem thanks to the lower energy costs associated with...

Astronomers on Monday warned that the light pollution created by the soaring number of satellites orbiting Earth poses an "unprecedented global threat to nature."The number of satellites in low Earth orbit have more than doubled since 2019, when US company SpaceX launched the first "mega-constellati...

A recent study claims that the problem looks worse than initially expected.

Will we responsibly and sustainably protect future generations' ability to practice scientific and cultural traditions on, near or in relation to the moon?

Astronomers are once again ringing alarm bells about rising light pollution destroying pristine night skies. This time, though, their worries extend beyond...

Dark sky proponents mull the rights of nature to battle light pollution. Here's how it would work

With satellite numbers skyrocketing over the next few years, the time to grasp the implications is now

Astronomers are racing to protect the dark skies as private companies seek to place large advertisements in Earth orbit

Light pollution is growing worse, but every Minnesotan can take steps to curb it.

Astronomers urge people to stand up to 'big light' industry amid unchecked brightening of night sky

Astronomers on Monday warned that the light pollution created by the soaring number of satellites orbiting Earth poses an "unprecedented global threat to nature."

"BlueWalker 3 is a big shift in the constellation satellite issue."

Transmissions from BlueWalker 3 also pose threat to radio observatories