21–40 of 210 results
an aerial shot of a large cement disc in the midst of trees

Astronomy and Society

National Science Foundation Will Not Rebuild Arecibo

While the NSF plans to establish an educational center at the Arecibo Observatory, the institution has stated it will not fund science there.

Astrophotography: Tips & Techniques

Astrophotographer of the Year Awards

The Royal Observatory Greenwich has announced the winners of the 14th annual Astronomy Photographer of the Year contest.

Astronomy and Society

Photographers "Capture the Dark" in Stunning Images

The International Dark-Sky Association celebrates photography's role in the fight against light pollution. Here are this year's contest winners!

Space Debris

Astronomy in Space with David Dickinson

The Hazards of Uncontrolled Reentries from Space

A recent study examines the risk posed to human life by reentering space debris as the number of rocket launches continues to grow.

BlueWalker 3 satellite panel dwarfs team that built it

Astronomy and Society

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.

Mauna Kea Observatories panorama

Astronomy and Society

Years of Tensions at Mauna Kea May End with Peaceful Negotiations

New stewardship of Mauna Kea, a dormant volcano that hosts some of the world's largest telescopes, could change the face of astronomy at the summit.

Gravitational-wave signal and noise

Astronomy and Society

How Astronomers Are Rendering the Universe in Sound

Presenting data as sound can open new opportunities for accessibility, engagement, and discovery, but the technique still faces challenges.

Impact Crater

Astronomy and Society

Found: Booster Impact Crater on the Farside of the Moon

The Lunar Reconnaissance Orbiter mission has found the impact site created March 4th. The crater might help reveal the impactor's identity.

Kitt Peak fire

Professional Telescopes

Wildfire Threatens Kitt Peak National Observatory

The Contreras wildfire has been threatening the historic Kitt Peak National Observatory in southern Arizona.

ISS view of Earth at night

Save Dark Skies

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.

Taurine in HL Tau

Astronomy and Society

Floofy Objects and Other Tales of Astronomical Impossibility

Astronomers aren't holding back this year, with brand-new submissions to this year's highly prestigious (and fictitious) Acta Prima Aprilia.

ISS view of Earth at night

Professional Telescopes

Is “Slow Science” the Answer to Astronomy's Carbon Footprint?

The first quantitative assessment of professional telescopes’ carbon footprint finds that these facilities contribute more emissions than all other astronomy research activities combined.

OneWeb Launch

Astronomy in Space with David Dickinson

Russia-Ukraine War: Impacts on Space (Updates)

Russia’s ongoing invasion of Ukraine has far-reaching consequences for spaceflight and the international space community.

Andromeda Galaxy, streaked

Astronomy and Society

Starlink Satellites Not Impacting Science — Yet

A new study of Starlink satellites’ impact on astronomy gives the community cause for both relief and concern.

Twisted glass slab

Solar System

Did a Comet Explode Over South America 12,000 Years Ago?

Huge chunks and twisted slabs of dark glass are strewn across a patch of the Chilean Atacama Desert. Do they have a cosmic origin?

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.

GMT

Astronomy and Society

Astronomers Announce Priorities for Next Decade

The National Academy of Science detailed the direction for astronomy and astrophysics today for the coming decade.

Parkes Telescope, aka Murriyang

Astronomy and Society

The True Nature of the Candidate ET Signal From Proxima Centauri

Human-made interference, not extraterrestrial technology, is responsible for the first candidate "signal of interest" detected by the project Breakthrough Listen.

Starlink globe

Astronomy and Society

Streetlights to Satellites: Taking Light Pollution to the United Nations

The United Nations' Office of Outer Space Affairs is considering issues of light pollution spanning from streetlights to satellites.

Pittsburgh photographed from above

Save Dark Skies

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?