Mercury
Delaying Death: Mercury Spacecraft Firing Engines To Stay Up Until 2015
Don't take these spectacular Mercury images (below the jump) for granted. Three weeks ago, NASA's orbiting Mercury spacecraft did an…
Mercury Spacecraft Moves To Testing Ahead Of 2016 Launch To Sun’s Closest Planet
After facing down a couple of delays due to technical difficulties, Europe's and Japan's first Mercury orbiter is entering some…
Mercury Pierces the Zodiacal Light at Dawn this Weekend
Psst! Ever spy the planet Mercury? The most bashful of all the naked eye planets makes its best dawn appearance…
Ice Alert! Mercury’s Deposits Could Tell Us More About How Water Came To Earth
New pictures of water ice at Mercury's north pole -- the first such optical images ever -- could help scientists…
A Triple Occultation Bonanza: A Challenging Series of Occultations This Weekend and More
Got clear skies? This week’s equinox means the return of astronomical Fall for northern hemisphere observers and a slow but…
MESSENGER Completes Second Burn to Maintain Mercury Orbit
A little over a week before NASA's MAVEN spacecraft fired its rockets to successfully enter orbit around Mars, MESSENGER performed a…
These Mercury Crater Pictures Look Like Amazing Abstract Art
We're lucky to have a spacecraft looking at Mercury and sending back information like this. NASA's MESSENGER satellite just beamed…
NASA Spacecraft Is Now Buzzing Mercury 62 Miles Above The Surface
Look out below! NASA's MESSENGER spacecraft is at its lowest altitude of any spacecraft above Mercury, and over the next…
Comet Jacques Is Back! Joins Venus and Mercury at Dawn
Comet C/2014 E2 Jacques has returned! Before it disappeared in the solar glow this spring, the comet reached magnitude +6, the naked…
Observing Challenge: The Moon Brushes Past Venus and Covers Mercury This Week
The summer astronomical action heats up this week, as the waning crescent Moon joins the inner planets at dawn. This…