“OBJECTIVE REALITY EXISTS.” It was a protest sign that I never imagined I would carry on a crowded all-night bus to a march for science in Washington, DC.
Our editors have just returned from the Northeast Astronomy Forum (NEAF), the world's largest astronomy and space tradeshow.
Explore two unique astronomical sites that lie under the dark skies of Namibia - the HESS high-energy array and the Africa Millimeter Telescope.
Cannan Huey-You, just 11 years old, impressed professional astronomers this week with his research on a massive intergalactic gas cloud.
Astronomer Vera Rubin, known for her revolutionary work confirming the existence of dark matter, died on December 25th. She was 88.
The International Astronomical Union has named an asteroid for Fred Schaaf, longtime Sky & Telescope contributing editor.
An amateur who devoted his live to chronicling the Moon, and became one of the world's most renowned lunar specialists, has died at age 94.
This year's awards from the Astronomical League showcase some talented high-school students and astronomy clubs throw great star parties.
A world-renowned lunar cartographer, whose beautiful atlases have become prized possessions, has died at age 83.
Some 200 of the mission’s surviving scientists and engineers and their families, along with many younger space explorers inspired by the Vikings, gathered to celebrate the 40th anniversary of the Viking 1 landing.
Abandoned for 25 years, a 12-meter antenna once used during the Cold War is now introducing astronomy students to the radio universe.
Amateur astronomy has lost a dedicated observer and successful visual comet hunter.
The winners of the 7th annual Earth & Sky Photo Contest highlight the fragile beauty of our heavens.
Planetary scientists are counting on amateur observations to enhance the results from NASA's forthcoming Juno mission.
Join your local amateur astronomy community in celebrating Spring Astronomy Day on May 14, 2016.
The editors of Sky & Telescope made our annual pilgrimage to last weekend’s Northeast Astronomy Forum. Here are our tales of the voyage to Pluto, the newest gadgets, and encouraging encounters with readers.
Join the world’s largest celebration of astronomy — in person or via online webcasts of events — throughout April.
What began as a student's simple idea a decade ago has grown into a worldwide celebration of the night sky and easy ways to reduce light pollution.
On the morning of Wednesday, March 9th, 240 members of a Sky & Telescope cruise were treated to a spectacular total solar eclipse.
A burst pipe flooded Harvard College’s Observatory Hill, submerging thousands of historic photographic plates underwater. Recovery is now under way.
The Chambliss Amateur Achievement Award, issued annually by the American Astronomical Society (AAS) "for exemplary research by an amateur astronomer" if there is a suitable candidate, goes to Darryll LaCourse of Marysville, Washington.
The largest national association of astronomers is now the new home of a virtual observatory known as the WorldWide Telescope.
A group of about 40 intrepid souls from the U.S. and Australia hits pay dirt on a tour of Iceland
The incredibly popular novel, and now movie, The Martian draws people to the Red Planet with realistic detail. Explore the Red Planet not just in fiction but in reality with our Mars globe and map.
As the IAU General Assembly in Hawaii'i draws to a close, the results were still coming in: a new bevy of dwarf galaxies discovered around the Milky Way, the celebration of the first Dark-Sky Sanctuary, and a new directly imaged exoplanet to boot.