An unassuming amateur astronomer forever linked to one of the greatest comets in modern history has passed away.
For a young woman who stared too long on August 21st, the partially eclipsed Sun left a lasting impression — on her retinas.
Three American physicists have received the Nobel Prize in physics for their contributions to the discovery of gravitational waves.
If you loved seeing August's solar eclipse and are eager to see another one, don't miss this live webinar on upcoming total and annular solar eclipses.
The Royal Observatory Greenwich has announced the winners of the 9th annual Insight Astronomy Photographer of the Year contest.
Join renowned MIT researcher Sara Seager for a fascinating behind-the-scenes look at how we're readying the technology to find and study planets like Earth
We've curated a selection of some of the best pictures our readers submitted to our online gallery of the August 21 solar eclipse.
On August 21, 2017, a total solar eclipse cast its shadow across the US. Sky & Telescope was there, and we captured some of your eclipse reactions.
Summer means star parties, and star parties mean fun. Read about my adventures at the annual Cherry Springs and Table Mountain gatherings.
Several hundred amateurs gathering on Breezy Hill in Springfield, Vermont for the 82nd annual Stellafane convention.
The celestial event of this young century — the great American total solar eclipse of 2017 — is now just weeks away. The biggest remaining question is, where will you be when the Moon’s shadow arrives?
The Chambliss Amateur Achievement Award recognizes excellence in astronomical research by American amateur astronomers. Nominations are now open!
Amateur astronomy clubs, planetariums, science museums, and parks celebrate Astronomy Day twice a year, when the public is invited to come learn about the sky and view through telescopes.
The U.S. Postal Service's new Total Eclipse Forever stamp will feature photos by the well-know eclipse expert Fred Espenak, who is also a master of many different kinds of astrophotography.
“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.