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.
Space
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.
'Blood Moon' Eclipse To Be Visible Throughout U.S.
Weather permitting, on Wednesday morning you'll be able to see the second lunar eclipse visible in North America in a series of four that runs through next year.
India Zooms To Mars Much More Cheaply, But With Trade-Offs
A U.S. probe cost $637 million to get to Mars; an Indian mission cost about a tenth as much. There are at least a few reasons why, both teams agree — starting with the differing shapes of each orbit.