SUNSET: 
Arizona Astronomy & Science Expo
New gear, hands-on demos, and renowned speakers awaited visitors to last weekend's astronomy expo in Tucson, Arizona.
November’s Hybrid Eclipse: First Reports
From high over the western Atlantic to the sandstorm-swept plains of northern Kenya, adventurous eclipse-chasers converged along the Moon’s ultra-narrow shadow on November 3rd to get fleeting views of the Sun’s blackened disk.
The World of Astronomy Communicators
Almost 200 science journalists, teachers, photographers, and amateur and professional astronomers met in Warsaw, Poland, to discuss better ways of communicating astronomy with the public.
Why Do We Call Them "Asteroids"?
When astronomers discovered the first objects orbiting between Mars and Jupiter, at first they didn't know what to call them. Today we know them as asteroids, and the creator of that term has finally been identified.
Huge Meteorite Pulled from Russian Lake
Meteorite specialists around the world have wondered whether a massive fragment of the Chelyabinsk mini-asteroid would ever be resurrected from the murky bottom of Lake Chebarkul in Russia. Today they got their answer.
Crash Course in the Higgs
The 2013 Nobel Prize in Physics has been awarded to two physicists who postulated the existence of the Higgs field, the source of many elementary particles' masses. For those still scratching their heads on what the Higgs is, here's what you need to know.
Will BBC Cancel The Sky at Night?
Stargazers in Great Britain learned this week that their beloved broadcast about all things celestial, inaugurated by the late Patrick Moore in 1957, might be canceled at year's end.
Astronomer Seager Wins “Genius Grant”
Exoplanet hunter and S&T author Sara Seager is among 24 scientists and artists granted one of 2013’s prestigious MacArthur Fellowships, commonly known as the “genius grant.”
17-Day ALMA Strike Ends in Resolution
The 17-day strike at the world’s largest ground-based observatory ended Saturday, and ALMA's revolutionary observations of the millimeter/submillimeter sky restart today.
An Observing Mecca in the Sierras
Who would have thought that, just 30 miles from a California city of 500,000+, you'd find some of the best stargazing in all of North America?
Friends, Clear Skies at Summer Star Party
The Summer Star Party in western Massachusetts, held just before Stellafane, had fine clear nights, more than 150 good folks, and lots of scopes at its new location.
IRIS Tackles Coronal Mystery
Solar physicists hope NASA’s latest space observatory, the Interface Region Imaging Spectrograph, can finally discover what heats the Sun’s million-degree corona.
PayPal Stakes Its Claim in Space Tourism
A few years from now, when you’re floating in a space hotel many miles from Earth, you might want to order some coffee. And PayPal wants to make sure you don’t have to pay in cash.
Chelyabinsk Mega-meteor: Status Report
The cosmic intruder that exploded in the sky on February 15th dropped thousands of fragments onto the snow-covered plains of south-central Russia. Here's an update on what's been found.
TWAN's Earth & Sky Contest Winners
From the city lights nestled between Alpine peaks to a single image that captures stars, an aurora, and a meteor, The World At Night's 2013 astrophoto contest is full of startling vistas.
Take a Stand Against Light Pollution!
"Globe at Night" is a fun, easy, and worthwhile activity for you and your family. Please join this worldwide campaign to measure the darkness of night skies everywhere from April 29th to May 8th.
A Great S&T Trip to Iceland
A group of 90 people from around the U.S. and the world joined S&T in early April for an aurora adventure in Iceland.
Scientists Share Absurdly Exciting News
This year's April Fools' was a productive day for astronomers — catch up on all the shenanigans.
Fifty Years of Quasars...And Fifty More?
As we celebrate the golden anniversary of quasars' discovery, some astronomers are pausing to question the direction of the field.
Alma Observatory Inaugurated
The future is now — the world’s most powerful radio telescope array was inaugurated yesterday.
