Topic: Sean Solomon
NASA's Messenger probe, the first spacecraft ever to orbit Mercury, has already taken more than 20,000 images.
06/17/2011 04:56 pm
NASA's Messenger craft has been orbiting Mercury for 88 days. Among its findings: a Saturn-like magnetic field, high concentrations of sulfur, and some support for the notion there is water ice in shadowed craters.
06/16/2011 08:00 pm
Mercury had been excluded from the travels of instrument-loaded orbiters because of the difficulty of the mission – until now. On Thursday, the NASA MESSENGER started orbiting the planet.
03/18/2011 02:09 pm
After a journey of 6 1/2 years, nearly 15 laps around the sun, NASA's Messenger spacecraft will perform its orbital insertion maneuver on Thursday, becoming the first spacecraft to enter Mercury's orbit.
03/16/2011 03:16 pm
The Meteoritical Society meets this week in New York to discuss all things space rock.
07/27/2010 06:35 pm
Mercury, the oddest of the rocky planets, has been little understood by scientists. But on a swing by the planet, NASA's Messenger sent back intriguing data about Mercury's surface minerals and volcanic activity.
11/04/2009 12:00 am
New data from NASA’S MESSENGER spacecraft suggests Mercury was shaped by volcanism.
10/29/2008 01:00 am
In the first flyby of Mercury in 33 years, the NASA spacecraft captured thrilling new details about the little-known planet.
01/31/2008 12:00 am
Monday's flyby, the first visit in 33 years, is expected to render new images and data that can shed light on the origins of the solar system.
01/14/2008 12:00 am