1–20 of 143 results
BlueWalker 3 satellite panel dwarfs team that built it

Save Dark Skies

Bright New Satellites Join a Crowded Sky — Here’s How You Can Help

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.

HL Tau by ALMA

Citizen Science: Projects & Collaboration

Citizen Scientists Detect Dusty Disks

Disk Detective, a citizen science project dedicated identifying planet-forming disks around young stars, reports their latest results.

ISS view of Earth at night

Astronomy and Society

What we know about Light Pollution – and What We Don’t

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.

International Dark Sky Week 2022

People, Places, and Events

Celebrate Dark Skies This Week, April 22–30

Are you interested in combating light pollution? International Dark Sky Week, which starts today, offers events in which you can learn how.

International Dark-Sky Association 2021 Virtual Conference

Save Dark Skies

Under One Sky: Let's Address Light Pollution Together

Concerned about light pollution? Join a virtual conference this weekend that looks at ongoing global efforts to mitigate it.

Pittsburgh photographed from above

Astronomy and Society

Pittsburgh Goes Dark: Could This New Dark-Sky Ordinance Begin a Trend?

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?

Counting stars during the pandemic

Save Dark Skies

The Pandemic and Light Pollution

Student Kathryn Huth set out to conduct astronomical experiments when she noticed that — amidst the pandemic — she could see more stars in the sky.

Save Dark Skies

Discover the Night: International Dark Sky Week is Here!

Light pollution is insidious in today’s world. This International Dark Sky Week, become inspired to see what you can do to raise awareness.

Total solar eclipse 2019 in Chile

People, Places, and Events

Join Us in Planning for the Next "Great American Eclipse"

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.

Centaurus A

Pro-Am Collaboration

Amateur Astronomers Reveal Long-Ago Galaxy Mergers

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?

Dark skies

Save Dark Skies

Under One Sky — Help Address Light Pollution

Do you care about protecting the night sky? Join the International Dark Sky Association’s virtual conference this weekend.

Artist's impression of a Y-dwarf star

Citizen Science: Projects & Collaboration

Taking Stock of Backyard Worlds

Scientists have used the Spitzer Space Telescope to confirm seventy-five new substars uncovered by the citizen science project Backyard Worlds: Planet 9.

Venus

Solar System

Calling on Amateur Astronomers: Observe Venus!

The Mercury-bound BepiColombo spacecraft will fly by Venus on October 15th, and the mission is asking amateurs for their help.

Clyde's Spot

Solar System

Amateur Astronomer Discovers "Clyde's Spot" on Jupiter

The discovery of a new feature on Jupiter gave NASA’s Juno mission an opportunity to image an emerging storm up close.

a child outside at night catching fireflies with a net

Save Dark Skies

Photographers “Capture the Dark” with Stunning Images of the Night

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.

New Horizon

Citizen Science: Projects & Collaboration

New Horizons' "Alien View" from the Outer Solar System

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.

Hot Jupiter KPS-1b

Exoplanets

First Discoveries of a Pro-Am Exoplanet Survey

A pair of professional and amateur astronomers have teamed up to fill an important niche in exoplanet research.

Neptune, raw and processed

Solar System

Explore Solar System Worlds with NASA’s Image Archives

Have some time on your hands? Explore NASA's rich image archive and discover the solar system as you've never seen it before.

New Horizon

Astronomy in Space with David Dickinson

New Horizons Recruits Amateurs to Sight Stars

The New Horizons team wants you to help measure the distance to two stars, yielding the longest-ever baseline measurement of a key cosmic yardstick.

Pro-Am Collaboration

The 2020 Chambliss Amateur Achievement Award Goes To Dennis Conti

Each year, the American Astronomical Society confers the Chambliss Amateur Achievement Award for significant astronomical research carried out by an amateur astronomer. This year the award goes to Dennis Conti of the AAVSO.

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