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Does Asteroid Vesta Have a Moon?
Does Asteroid Vesta Have a Moon?
From now until Dawn goes into orbit about Vesta every picture of the giant asteroid will be the best one ever taken. What will researchers do with this unprecedented clarity? Look for an asteroid moon.Read More...
Join NASA in Measuring an Asteroid
Join NASA in Measuring an Asteroid
On July 3 at 11:05:30 p.m. EDT, 52 Europa will pass in front of star TYC 0292-00339-1. Here on Earth, astronomers can measure the exact length of time the star's light is blocked and use those calculations to help verify the size of 52 Europa.Read More...
The Long, Slow Clean-Up
The Long, Slow Clean-Up
The Genesis mission brought important new evidence to scientists working to understand how the solar system formed, but it also brought an unprecedented challenge.Read More...
One Step Closer to Earth's Genesis
One Step Closer to Earth's Genesis
Kevin McKeegan's announcement at the 2008 Lunar and Planetary Science Conference that the pattern of oxygen isotopes on the Sun differs greatly from that of Earth took many planetary scientists by surprise.Read More...
The Sun Under Lock and Key
The Sun Under Lock and Key
Where do you think you would find the world's most valuable collection? You can make an awfully good argument for the Astromaterials Curation Labs at Johnson Space Center. That is where NASA keeps the Genesis solar wind samples, and much more.Read More...
What Are Isotopes, and Why Should We Care?
What Are Isotopes, and Why Should We Care?
Your last drink of water contained isotopes that could help a Crime Scene Investigation unit determine where you've been living if they find a few strands of your hair.Read More...
The Big Question -- The Reason for the Genesis Mission
The Big Question -- The Reason for the Genesis Mission
Where did the world come from? An immense gas cloud, peppered with atoms made by stars, squeezed itself together so tightly that its center ignited into a nuclear furnace and became our sun. The remaining bits and pieces of the cloud, known as ...Read More...
ARTEMIS Spacecraft Prepare for Lunar Orbit
ARTEMIS Spacecraft Prepare for Lunar Orbit
They've almost arrived. It took one and a half years, over 90 orbit maneuvers, and -- wonderfully -- many gravitational boosts and only the barest bit of fuel to move two spacecraft from their orbit around Earth to their new home around the Moon.Read More...
MESSENGER Provides New Data about Mercury
MESSENGER Provides New Data about Mercury
After nearly three months in orbit about Mercury, MESSENGER's payload is providing a wealth of new information about the planet closest to the sun, as well as a few surprises.Read More...
A Big Surprise from the Edge of the Solar System
A Big Surprise from the Edge of the Solar System
Voyager mission scientists say the probes have just sent back some very big news indeed: It's bubbly out there.Read More...
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Last Updated: 7 Apr 2014