'Freakish' Sunspot Wows Astronomers
AR 2192, the largest sunspot seen since the beginning of the current 11-year cycle that started in 2008, is producing strong solar flares.
Space
'Near-Space Dive' Sets New Skydive Record, 25 Miles Above Earth
Google's Alan Eustace fell from an altitude of more than 135,000 feet, plummeting for some 15 minutes. The jump broke the record of 127,852 feet that Felix Baumgartner set in 2012.
European Scientists Conclude That Distant Comet Smells Terrible
A European spacecraft has picked up a foul odor emanating from a comet called 67P/C-G. Imagine sharing a stable with a drunk person and a dozen rotten eggs.
Mars Probes Give Scientists Box Seats For Rare Comet Flyby
A "mountain-sized" comet known as Siding Spring will pass very close to the red planet, where orbiters from the U.S., Europe and India, hope to get close — but not too close — to the action.
NASA To Replace Iconic Countdown Clock After Maintenance Skyrockets
NASA says it plans to replace the digital countdown timer that's featured prominently in broadcasts and images of Kennedy Space Center launches ever since the second moon landing mission 45 years ago.
Astronaut Chris Hadfield Brings Lessons From Space Down To Earth
The former International Space Station commander achieved Internet stardom with his in-space rendition of David Bowie's "Space Oddity." His new book is An Astronaut's Guide to Life on Earth.
Secret U.S. Space Plane To Land After 22 Months In Orbit
There are many theories about what exactly the unmanned X-37B is doing as it circles the Earth on long-duration missions.
In Hawaii, NASA To Launch 'Fake Mission To Fake Space'
Starting Wednesday, six "astronauts" will live in a geodesic dome on a remote volcanic outcrop in an eight-month simulation of a Mars mission. Robert Siegel talks to commander Martha Lenio.
The 'Blood Moon' Eclipse Was Quite A Show
The total lunar eclipse today that could be seen over North America and across the Asia-Pacific region had the added feature of a reddish hue caused by sunlight filtered through Earth's atmosphere.
Protests Disrupt Telescope Groundbreaking In Hawaii
After years of planning, Hawaii's Thirty Meter Telescope broke ground Tuesday. But a group interrupted the ceremony, angry about the telescope's location on a mountain held sacred by Native Hawaiians.