1–20 of 202 results
Satellite trail passes through galaxy

Astronomy and Society

Satellite Trails Mar Hubble Images

An accounting of satellite streaks across two decades of Hubble Space Telescopes finds their appearance is increasing.

OSIRIS-REx touches down on near-Earth asteroid Bennu in an artist's illustration

Astronomy and Society

Are We Finally on the Cusp of Commercial Asteroid Mining?

Years after initial space-mining ventures went bust, startup AstroForge has announced two missions in 2023 to obtain rare minerals from a near-Earth asteroid.

2023 CX1

Astronomy and Society

Small Asteroid Spotted Hours Before Demise

The swift detection of a small asteroid, and recovery of its surviving fragments, shows we’re getting better at spotting incoming objects.

Trailing plume ejected from bright Dimorphos

Astronomy and Society

How Citizen Scientists Are Monitoring the DART Impact's Aftereffects

Observers around the globe are keeping an eye on the asteroid Didymos and its moon Dimorphos to track the long-term effects of the DART mission's impact.

Terence Dickinson

Astronomy and Society

Terence Dickinson (1943 – 2023)

Terence Dickinson, Canadian astronomer and author of numerous popular books on astronomy, has passed away.

Infographic showing increasing skyglow and disappearing stars

Save Dark Skies

Light Pollution Is Increasing Even Faster Than We Realized

The average brightness of the night sky is increasing by 10% every year, making the stars less visible.

Light pollution map for North America

Astronomy and Society

Light Pollution Is Creeping Up on the World's Observatories

Astronomical observatories enjoy some of the world’s darkest night skies. But even there light pollution is spreading, a new study suggests.

Holmdel Horn

Astronomy and Society

The Holmdel Horn That "Heard" the Big Bang Is at Risk

Redevelopment plans could threaten the site that houses the Holmdel Horn, the instrument responsible for hearing the "hiss" of background radiation from the Big Bang.

grey moon landscape with an astronaut walking

Spacecraft and Space Missions

Apollo 17 in Pictures: “God Willing, as We Shall Return”

On the 50th anniversary of Apollo 17, we look back at iconic photos as well as rarely seen images from the mission.

a man standing in front of a large satellite dish

People, Places, and Events

­A Celebration of Jay Pasachoff (1943–2022)

Jay M. Pasachoff, Chair of the Astronomy Department, Director of the Hopkins Observatory, and Field Memorial Professor of Astronomy at Williams College in Williamstown, Massachusetts, succumbed to cancer on Sunday morning, November 20th.

BlueWalker 3 satellite panel dwarfs team that built it

Astronomy and Society

BlueWalker 3 Satellite Unfolds, Brightening 40-fold

The unfolding of the BlueWalker 3's giant flat-panel antenna array resulted in a satellite 40 times as bright, outshining most stars.

SLS Launch

Astronomy in Space with David Dickinson

Lift-off! NASA Launches Artemis 1 Mission to the Moon

NASA’s next-generation Moon rocket has left the launchpad on the first flight of the Artemis program.

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.

Astronomy and Society

Astrophotographer of the Year Awards

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

Astrophotography: Tips & Techniques

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 in Space with David Dickinson

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.

1 2 3 11
Advertisement
Advertisement
Advertisement
Advertisement