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Science & Technology
Feature: Rosetta Comet Comes Alive

A spacecraft from Earth is about to do something no spacecraft has ever done before: orbit a comet and land on its surface.

News flash: The metamorphosis has begun.

"Comet 67P is coming alive," says Claudia Alexander, project scientist for the U.S. Rosetta Project at JPL. "And it is even more active than I expected." Read More...
Rosetta Comet Comes Alive
Science Features Best of NASA Science
A New Meteor Shower in May?
A New Meteor Shower in May?
The shower is the May Camelopardalids, caused by dust from periodic comet 209P/LINEAR. No one has ever seen it before, but this year the Camelopardalids could put on a display that rivals the well-known Perseids of August.Read More...
Best of NASA Science 2010
Best of NASA Science 2010
Take a photographic journey through another year of stunning images and wondrous science.Read More...
The Opposition of Mars
The Opposition of Mars
By the time you finish reading this story, you'll be about 1,000 km closer to the planet Mars.Read More...
Solar System Exploration @ 50: What the Experts Picked
Research... at a Glance
Solar System Exploration @ 50: What the Experts Picked
Here is what the experts had to say about their favorite moments last 50 years of planetary robotic exploration.Read More...
Astrobiology NASA Science Highlights
Astrobiology Strategic Plan Milestone
Astrobiology Strategic Plan Milestone
The NASA Astrobiology Strategy process has reached an important milestone. The concept documents, which were created at the Wallops Island workshop, are now ready for public comment.Read More...
Frost Appears to Form on Titan's Rain-Wetted Surface
Frost Appears to Form on Titan's Rain-Wetted Surface
For the first time, apparent frost linked to rainfall has been observed on another body in the solar system.Read More...
Impacts Could be Boon for Subterranean Life
Research... at a Glance
Impacts Could be Boon for Subterranean Life
A drilling project into the Chesapeake Bay impact structure has found evidence that the subsurface may become more habitable after a large impactRead More...
Discovery of propylene in Titan's upper atmosphere with Cassini CIRS
Discovery of propylene in Titan's upper atmosphere with Cassini CIRS
Cassini's Composite Infrared Spectrometer (CIRS) Team detected a new molecule, propylene (propene), in Titan's upper atmosphere.Read More...
Astronomy Features Technology Features
Total Lunar Eclipse 14-15 April 2014
Total Lunar Eclipse 14-15 April 2014
Look for a total lunar eclipse 14-15 April 2014.Read More...
BRRISON: A Planetary Science Balloon Mission
BRRISON: A Planetary Science Balloon Mission
This fall, NASA plans to launch a new balloon-based mission that will float to the edge of our atmosphere to observe a comet from the far reaches of the solar system.Read More...
Citizen Science, Old-School Style: The True Tale of Operation Moonwatch
Citizen Science, Old-School Style: The True Tale of Operation Moonwatch
Amateur astronomers have done more than just watch the skies, they've been a national security asset.Read More...
LADEE Launch Visibility
LADEE Launch Visibility
Live on the U.S. East Coast between Charleston and Cape Cod? You may be able to see LADEE launch for the moon on Sept. 6.Read More...
Power Propulsion
JPL-Developed Clean Energy Technology Moves Forward
JPL-Developed Clean Energy Technology Moves Forward
A team of scientists at NASA's Jet Propulsion Laboratory in partnership with the University of Southern California, developed a Direct Methanol Fuel Cell technology for future Department of Defense and commercial applicRead More...
Resilient Rockets
Resilient Rockets
Spacecraft and automobiles could benefit from a new NASA technology that protects the insides of scorching-hot engines.Read More...
Radioisotope Power Systems:  Power to Explore
Research... at a Glance
Radioisotope Power Systems: Power to Explore
For more than four decades, Radioisotope Power Systems (RPS) have played a critical role in the exploration of space, enabling missions of scientific discovery to destinations across the solar system.Read More...
Technology Assessment Reports Lectures & Discussions
Guidance, Navigation, and Control Technology Assessment for Future Planetary Science Missions Part III, Surface Guidance, Navigation, and Control (April 2013)
Guidance, Navigation, and Control Technology Assessment for Future Planetary Science Missions Part III, Surface Guidance, Navigation, and Control (April 2013)
This document-Part III, Surface Guidance, Navigation, and Control-is the third, and last, in a series of technology assessments evaluating the capabilities and technologies needed for future missions pursuing SMD PSD's scientific goals.Read More...
Radar Imaging of Near Earth Asteroids
Radar Imaging of Near Earth Asteroids
Radar is a very powerful astronomical technique for studying the physical properties and refining the orbits of near-Earth asteroids.Read More...
Guidance, Navigation, and Control Technology Assessment for Future Planetary Science Missions Part II. Onboard Guidance, Navigation, and Control (GN&C) (March 2013)
Guidance, Navigation, and Control Technology Assessment for Future Planetary Science Missions Part II. Onboard Guidance, Navigation, and Control (GN&C) (March 2013)
This document-Part II, Onboard Guidance, Navigation, and Control-is the second in a series of three technology assessments evaluating the capabilities and technologies needed for future missions pursuing SMD PSD's scientific goals.Read More...
Regenerative Fuel Cells, Energy Storage Systems for Space Applications
Regenerative Fuel Cells, Energy Storage Systems for Space Applications
This talk provides an introduction to fuel cells and regenerative fuel cell systems. It also highlights the features of this technology for enabling future NASA missions to the moon, near-Earth asteroids and Mars.Read More...
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Science Mission Directorate Science Plan for 2010
 
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Last Updated: 17 Jun 2014