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Meet our bloggers...CEO, Bill Nye, Emily Lakdawalla, Bruce Betts, Mat Kaplan, Casey Dreier, and a host of expert and entertaining voices from throughout our vast space community.

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United Launch Alliance Pulls Back Curtain on New Rocket

Posted by Jason Davis on 2015/04/13 07:00 CDT | 6 comments

ULA revealed its new Vulcan rocket system today, an Atlas and Delta mashup the company says will increase power, lower costs and broaden mission capabilities.

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PROCYON update: Asteroid 2000 DP107 target selected, ion engine stopped

Posted by Emily Lakdawalla on 2015/04/13 12:15 CDT | 3 comments

PROCYON (PRoximate Object Close flYby with Optical Navigation) is a microsatellite that launched on December 3 as a secondary payload with Hayabusa 2. The mission has now selected their asteroid flyby target -- a binary asteroid named 2000 DP107 -- but is reporting a problem with their ion engines.

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LightSail Launch Delayed until at least May 20

Posted by Jason Davis on 2015/04/13 10:40 CDT

The Planetary Society’s LightSail spacecraft will have to wait at least two more weeks before setting sail on its maiden voyage.

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Planetary Defense Conference: Steps to Prevent Asteroid Impact

Posted by Bruce Betts on 2015/04/13 07:23 CDT

From Italy, Bruce Betts gives background and information at the start of the Planetary Defense Conference, which addresses the asteroid threat. Bruce summarizes steps to prevent asteroid impact.

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NASA's Mission to Europa May Get More Interesting Still

Posted by Van Kane on 2015/04/11 04:08 CDT | 7 comments

NASA officials have asked their European counterparts if they would like to propose contributing a small probe to NASA's Europa mission planned for the mid-2020s.

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Curiosity update, sols 896-949: Telegraph Peak, Garden City, and concern about the drill

Posted by Emily Lakdawalla on 2015/04/10 07:37 CDT | 1 comment

Since I last wrote about Curiosity drilling at Pink Cliffs, the rover has visited and studied two major sites, drilling at one of them. It has also suffered a short in the drill percussion mechanism that presents serious enough risk to warrant a moratorium on drill use until engineers develop a plan to continue to operate it safely.

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To Recover First Stage, Just Read the Instructions

Posted by Jason Davis on 2015/04/10 04:01 CDT | 2 comments

SpaceX is gearing up for a second attempt to land the spent first stage of a Falcon 9 rocket on a ship in the Atlantic Ocean.

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Field Report from Mars: Sol 3978 - April 3, 2015

Posted by Larry Crumpler on 2015/04/09 10:55 CDT

Larry Crumpler gives an update on Opportunity's exploration of Mars as it approaches the entrance to Marathon Valley.

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A moon with atmosphere

Posted by Emily Lakdawalla on 2015/04/08 01:27 CDT | 10 comments

What is the solar system moon with the densest atmosphere? Most space fans know that the answer is Titan. A few of you might know that Triton's is the next densest. But what's the third? Fourth? Do any other moons even have atmospheres? In fact, they do; and one such atmosphere has just been discovered.

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Discovery Lives

Posted by Jason Callahan on 2015/04/08 01:05 CDT | 7 comments

Last month teams of scientists from around the United States submitted proposals for the thirteenth mission in NASA’s Discovery program. Jason Callahan discusses this latest round of proposals.

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