The average brightness of the night sky is increasing by 10% every year, making the stars less visible.
The imminent launch of a BlueWalker satellite, with a giant phased array antenna, portends a brightening night sky. Amateur astronomers can help record these changes with the goal of mitigating them.
The International Dark-Sky Association’s has summarized more than 300 peer-reviewed studies on the effects of artificial light at night in an effort to help dark-sky advocates.
Concerned about light pollution? Join a virtual conference this weekend that looks at ongoing global efforts to mitigate it.
The city's parks, facilities, and streetlights will all get dark-sky-friendly lighting, but is it too early for amateur astronomers to get excited?
Student Kathryn Huth set out to conduct astronomical experiments when she noticed that — amidst the pandemic — she could see more stars in the sky.
Light pollution is insidious in today’s world. This International Dark Sky Week, become inspired to see what you can do to raise awareness.
Are you a solar eclipse enthusiast with an organizational bent? An upcoming virtual workshop geared toward planning for the 2023 and 2024 events could be just the thing for you.
The images from five Brazilian amateur astronomers have captured Hubble-level details in galaxies, laying the ground for future work in understanding their histories. Want to join the fun?
The discovery of a new feature on Jupiter gave NASA’s Juno mission an opportunity to image an emerging storm up close.
Stunning images of the night remind us why we need to protect dark skies. See the photos that won the International Dark-sky Association's contest.
NASA's New Horizons mission deep in the Kuiper Belt has measured the parallax to two nearby stars with the help of Earth-based observers.
Have some time on your hands? Explore NASA's rich image archive and discover the solar system as you've never seen it before.