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3,045 articles from NASA


WEDNESDAY 23. SEPTEMBER 2009


MESSENGER Set for Final Flyby of Mercury

NASA's MESSENGER spacecraft is set to make its third and final flyby of the planet Mercury on Sept. 29th. The encounter is expected to produce hundreds of images of previously unseen terrain and confirm the strange elliptical shape of Mercury's equator.


MONDAY 21. SEPTEMBER 2009


School Kids Track LCROSS

Using a colossal radio telescope in the Mojave Desert, school kids around the world are helping NASA track the LCROSS spacecraft as it heads for a crash landing on the Moon.


WEDNESDAY 16. SEPTEMBER 2009



FRIDAY 11. SEPTEMBER 2009


NASA Selects Target Crater for Lunar Impact

NASA's Lunar Crater Observation and Sensing Satellite (LCROSS) is racing toward a double-impact on the moon at 7:30 am EDT on Oct. 9th. Today NASA announced exactly where the crash will take place.


WEDNESDAY 9. SEPTEMBER 2009



THURSDAY 3. SEPTEMBER 2009


Are Sunspots Disappearing?

The sun is in the pits of the deepest solar minimum in a century. Weeks and sometimes whole months go by without even a single tiny sunspot. The quiet has prompted some observers to wonder, are sunspots disappearing?


MONDAY 31. AUGUST 2009


Honey, I Blew Up the Tokamak

NASA is planning a daring new mission to investigate the Universe's favorite way of making things explode. Unlocking the secrets of "magnetic reconnection" could help alleviate the energy crisis on Earth.


SATURDAY 22. AUGUST 2009


NASA Heads Out to Sea

The agency best known for exploring the vast reaches of space has been exploring some of the vast beaches of Earth – and the results may help protect them.


WEDNESDAY 19. AUGUST 2009


Chandra Turns 10

Astronomers are celebrating 10 years of discovery by NASA's Chandra X-ray Observatory. Today's story highlights some of Chandra's most surprising, violent and beautiful images of the high-energy Universe.


SATURDAY 15. AUGUST 2009


In Search of Antimatter Galaxies

Next year, a powerful cosmic ray detector will be installed on the International Space Station. Its mission: to search for antimatter galaxies and other exotic phenomena in the Universe.


MONDAY 10. AUGUST 2009


Horse Flies and Meteors

Like bugs streaking down the side window of a moving car, colorful Perseid Earthgrazers could put on a pleasing show after sunset on Tuesday, August 11th.


FRIDAY 7. AUGUST 2009


Space Porch Open for Business

Barely two weeks after it was installed by the crew of space shuttle Endeavour, the Japanese-built platform is already bustling with experiments in astronomy and space physics--and that's just for starters.


MONDAY 3. AUGUST 2009


What Hit Jupiter?

Two weeks after something slammed into Jupiter, creating a cloud of debris that is still easy to see through backyard telescopes, researchers are wondering ... what was the impactor?


FRIDAY 31. JULY 2009



TUESDAY 21. JULY 2009


Longest Solar Eclipse of the 21st Century

The longest solar eclipse of the 21st century takes place this Wednesday, July 22nd. The path of totality crosses many major cities, setting the stage for possibly the best-observed eclipse in human history.


FRIDAY 17. JULY 2009


Apollo Landing Sites Photographed

NASA's Lunar Reconnaissance Orbiter, or LRO, has returned its first imagery of the Apollo moon landing sites. The pictures show the Apollo missions' lunar module descent stages sitting on the moon's surface and more.


WEDNESDAY 15. JULY 2009



FRIDAY 10. JULY 2009


The Beating Heart, Minus Gravity

When astronauts travel through space, the human heart loses something it needs: the Earthly pull of gravity. Is this a problem? NASA is launching a new study to find out.

Moonship Photographed by Backyard Astronomers

Amateur astronomers have photographed NASA's LCROSS spacecraft en route to an October crash landing on the Moon. Observers say the spacecraft is surprisingly easy to photograph, and NASA hopes more amateurs will give it a try.


FRIDAY 3. JULY 2009


Space Station Marathon

The International Space Station (ISS) is about to make a remarkable series of flybys over the United States. Beginning this 4th of July weekend, the station will appear once, twice, and sometimes three times a day for many days in a row.


SATURDAY 27. JUNE 2009


Space Station Room With a View

Astronauts are looking forward to an unprecedented view of the cosmos when the largest window ever built for space is installed on the International Space Station.


FRIDAY 19. JUNE 2009