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1,394 articles from NASA

Extremophile Hunt Begins

A team of scientists has just set off to explore a strange lake in Antarctica, which may be home to exotic forms of microscopic life.


THURSDAY 31. JANUARY 2008


Surprises from Mercury

NASA's Messenger spacecraft has beamed back some surprising new data from the planet Mercury. Highlights include a weird crater nicknamed "the Spider," a planetary tail of hydrogen atoms, and measurements that show giant Caloris basin is even bigger than researchers thought.


TUESDAY 29. JANUARY 2008



THURSDAY 24. JANUARY 2008


A Violent History of Time

NASA is preparing to launch a new space telescope named GLAST to study the most violent explosions in the history of our Universe.


MONDAY 21. JANUARY 2008


Mercury Flyby Sets Stage for New Discoveries

Last week's historic flyby of Mercury by NASA's MESSENGER spacecraft gathered 500 megabytes of data and more than a thousand high-resolution photos covering nearly six million square miles of previously unseen terrain.


THURSDAY 17. JANUARY 2008


Radical New Lab Fights Disease Using Satellites

A cutting-edge laboratory has opened in Alabama. Its mission: to combat diseases ranging from asthma to malaria to stroke using data from NASA satellites. Space scientists and public health officials are working together to train the doctors of tomorrow in this far-out approach to medicine.


TUESDAY 15. JANUARY 2008


Exploring the Cosmos in Braille

Images from NASA telescopes are jewels of the space program, marvelous to behold. But how do you behold them when you can't see? The answer lies between the covers of a new NASA-funded book written in Braille, Touch the Invisible Sky.


MONDAY 14. JANUARY 2008



FRIDAY 11. JANUARY 2008


Solar Cycle 24 Begins

Hang on to your cell phones, a new solar cycle is underway. Solar Cycle 24 began last week with the appearance of a magnetically "backward" high-latitude sunspot.


FRIDAY 28. DECEMBER 2007



SATURDAY 22. DECEMBER 2007


Asteroid Threatens to Hit Mars

NASA-funded astronomers are monitoring a Tunguska-sized asteroid that will pass within 30,000 miles of Mars on Jan. 30, 2008. Based on data currently available, the space rock has a 1-in-75 chance of actually hitting Mars and blasting a crater more than half-a-mile wide.


FRIDAY 21. DECEMBER 2007


Christmas Eve Sky Show

Consider it an early Christmas gift: On Dec. 24th the Moon and Mars are putting on a beautiful late-night sky show.


TUESDAY 18. DECEMBER 2007



SUNDAY 16. DECEMBER 2007


Is a New Solar Cycle About to Begin?

The solar physics community is abuzz this week. No, there haven't been any great eruptions or solar storms. The source of the excitement is a modest knot of magnetism that popped up on the sun, possibly heralding the start of a new solar cycle.


WEDNESDAY 12. DECEMBER 2007


NASA Spacecraft Make New Discoveries about Northern Lights

NASA's fleet of THEMIS satellites have made some surprising new discoveries about outbursts of Northern Lights and the source of their power. The discoveries include giant magnetic ropes that connect Earth to the Sun and explosions in the outskirts of Earth's magnetic field.


THURSDAY 6. DECEMBER 2007



MONDAY 3. DECEMBER 2007


Asteroid Shower

Mark your calendar: The best meteor shower of 2007 peaks on Friday, December 14th.


SATURDAY 1. DECEMBER 2007


Improving Drought Forecasts

From the deserts of the American southwest to the pine forests of the Deep South, drought-weary residents have one thing on their minds: "I wish it would rain!" Technically, what they should be wishing for is "more streamflow." Find out why in today's story.


WEDNESDAY 28. NOVEMBER 2007


Chandra Discovers a Cosmic Cannonball

Astronomers using NASA's Chandra X-ray Observatory have discovered one of the fastest stars ever seen--a "cosmic cannonball" that is challenging theories to explain its blistering speed.


SATURDAY 24. NOVEMBER 2007


Watch Out for Flying Moondust

New research by NASA scientists shows that moondust kicked up by the jets of lunar landers can go on a fantastic journey, completely circling the Moon before settling back to the ground. This interesting phenomenon may affect the planning of lunar outposts and other activities as NASA prepares its return to the Moon.


THURSDAY 22. NOVEMBER 2007


Mars Doubles in Brightness

During the past month, Mars has doubled in brightness and now it is putting a nice show for backyard stargazers. A good night to look is Nov. 26th when Mars has an eye-catching close encounter with the Moon.


WEDNESDAY 21. NOVEMBER 2007


Bargain Basement Satellites

NASA scientists have developed a fast and easy-to-build satellite named FASTSAT that could accelerate the pace of space exploration.


MONDAY 19. NOVEMBER 2007


Moon Rocket Parachute Tests a Success

How do you bring a 200,000-pound rocket booster back to Earth after it catapults its payload toward the moon? NASA has answered that question with a successful test of a giant "moon rocket" parachute in the Arizona desert.


TUESDAY 13. NOVEMBER 2007



SATURDAY 10. NOVEMBER 2007