Experts are concerned that the satellites could ruin dark skies, pollute the atmosphere, and worsen space debris. The public has a limited time to comment.
Space News & Blog Articles
This month’s episode showcases the stars and planets visible on March evenings. First up: March 3rd’s predawn a total lunar eclipse! Then track down three planets after sunset, and savor the easy-to-spot Winter Triangle of bright stars.
Stars have a hard time forming in the extreme environment around our Milky Way’s black hole. New data promises to explain why.
A total eclipse of the Moon will be visible before dawn this Tuesday, March 3rd, from western North America. The eclipse happens on Tuesday evening for Australia and East Asia.
Jupiter forms a T with the Moon, Pollux, and Castor on Friday February 27th. Low in the western twilight, Saturn and Venus close in on each other. And can you catch the total lunar eclipse on the morning of March 3rd?
March opens with a spectacular total lunar eclipse. Our guide will help you make the most of it.
One of the largest known stars — a red supergiant — suddenly shrank and heated up, transforming into a different kind of star.
The unexpected arrangement of exoplanets around a star more than 100 light-years from Earth might change how we think about planet formation.
Panoramic mosaics can show far more than a single image ever can.
Here's a lightweight reflector that fits in your carry-on luggage.
The best optic for resolving fine planetary detail has changed over time.
Taking special care of the stars in your astrophoto will make the entire image shine.
Deep-sky astrophotography is rapidly evolving, and in some ways, the future is already here.
Your pretty pictures can contain valuable information.
Grinding your own mirror can be great fun - and result in an excellent telescope.
A purely pragmatic look at the cost of doing it yourself.
The solar cycle has ramped up, and it's a great time to photograph this captivating target.
Three of the five naked-eye planets emerge in the fading afterglow of sunset. The first-quarter Moon Tuesday passes as close to straight up as you may ever see it. And can you try for Sirius B?
Space debris are contaminating our atmosphere at very high altitudes – and we don't yet understand the effects.
The RAMSES mission to the asteroid Apophis will launch in 2028 to meet the asteroid before its close encounter with Earth.
Master the basics of the most popular astronomical image-processing software.

