SUNSET: 
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.
Info on Russian Meteor Pours In
The fireball that exploded over Russia on February 15th left more than a million square feet of damaged windows, bringing home how fragile life on Earth can be. Here's what S&T's staff has managed to piece together about what happened.
Lessons from the Russian Meteor Blast
Friday's meteorite explosion over Russia offers the strongest motivation yet for investigation of near-Earth objects.
A Whirlwind South Pole Tour
S&T contributing editor Govert Schilling tells the story of his recent expedition to the unique science laboratory located at the inhospitable South Pole.
Five Amateurs Share Edgar Wilson Award
Discovering a comet remains one of amateur astronomy's greatest accomplishments, and five individuals are being honored for doing just that.
Asteroid Mining Gets Competitive
Deep Space Industries, Inc, announced plans to send a fleet of asteroid-prospecting to target asteroids in 2015 — and that’s just the first step in their ambitious proposal.
Will the World End on December 21st?
Editor in Chief Robert Naeye goes out on a limb and predicts that the world will not end today. But with tongue in cheek, let's count the ways the world could end.
Sir Patrick Moore, 1923-2012
Britain's celebrated skywatcher and night-sky popularizer, synonymous with astronomy worldwide, died peacefully on Sunday at age 89.
Van Allen Probes Peek at Radiation Belts
The twin Van Allen Probes have only been spaceborne for 60 days, but they’ve already returned heaps of data about the radiation belts, whose "killer electrons" endanger satellites.
Product Videos & Demonstrations
Advanced Imaging Conference 2012
Watch Dennis di Cicco's recent interview with Apogee Imaging Systems’ president Wayne Brown at the 2012 Advanced Imaging Conference.
ESO Celebrates Its History and Future
On October 5th, the European Southern Observatory and the Australian Square Kilometer Array Pathfinder will broadcast live webcasts to celebrate years gone by and new beginnings.
Big Meteoroid Boomerangs Around Earth
Late on September 21st, a bright fireball broke apart as it skimmed the atmosphere over northwestern Europe — then it became a temporary satellite, looping completely around the planet before its searing finale over eastern North America.
IAU Conference Draws to a Close
In the final days of the IAU conference, Jay Pasachoff reports on talks about black holes and exoplanets, and a redefinition of the average distance between the Earth and the Sun.