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1,387 articles from NASA


FRIDAY 11. APRIL 2008


Moondust in the Wind

Unlike Earth, the firmament of the moon is directly exposed to charged particles from the sun. What happens to moondust under the onslaught of solar wind? Researchers in a NASA-supported lab are finding some surprising answers.


MONDAY 7. APRIL 2008


The 2008 Great Moonbuggy Race

Contestants in NASA's 15th Annual Great Moonbuggy Race have crossed the finish line. And the winner is.... Read today's story to find out who crashed and who triumphed in the adventurous competition.


FRIDAY 4. APRIL 2008


Crescent Moon Alert

A crescent moon of perilous beauty is about to appear in the evening sky. The best night to look is Tuesday, April 8th, when the moon joins the Pleiades star cluster for a must-see conjunction.


SATURDAY 29. MARCH 2008


Old Solar Cycle Returns

Three months ago, a new solar cycle began. This week, however, the sun surprised onlookers with three big sunspots from the previous solar cycle. Strangely enough, this is perfectly normal.


FRIDAY 28. MARCH 2008


Crafty Tricks for Finding Moon Water

NASA's Lunar Reconnaissance Orbiter will play some crafty tricks to find water on the moon, such as using starlight to see into deep, dark craters and checking the temperature with a scientific device known as "Diviner."


SATURDAY 22. MARCH 2008


Naked-eye Gamma Ray Burst

Two nights ago, astronomers observed a cosmic explosion so intense it was visible to the naked eye from a distance of 7.5 billion light years.


FRIDAY 21. MARCH 2008


Spring is Aurora Season

For reasons not fully understood by scientists, the weeks around the vernal equinox are prone to Northern Lights.


WEDNESDAY 19. MARCH 2008


Gravity Waves Make Tornadoes

New research by NASA-supported scientists shows how atmospheric gravity waves, the kind we often see rippling in clouds overhead, can hit a thunderstorm and turn it into a deadly tornado.


TUESDAY 18. MARCH 2008


The Vanishing Rings of Saturn

Amateur astronomers around the world have noticed, something is happening to Saturn. The planet's rings are rapidly narrowing and, if this continues, before long they'll be just a wafer-thin line almost invisible to backyard telescopes.


WEDNESDAY 12. MARCH 2008


Women Drivers on Mars

To celebrate Women's History Month, an all-female team of scientists and engineers has taken control of Mars rover Spirit.


FRIDAY 7. MARCH 2008


Dark Halos Discovered on Mercury

The surprises continue. Scientists studying the harvest of photos from MESSENGER's Jan. 14th flyby of Mercury have found several craters with strange dark halos and one crater with a spectacularly shiny bottom.

Auroras in Broad Daylight

Imagine living on a planet where Northern Lights fill the heavens at all hours of the day. Around the clock, even in broad daylight, luminous curtains shimmer and ripple across the sky. News flash: Astronomers have discovered such a planet. Its name is Earth.


TUESDAY 4. MARCH 2008


Avalanches on Mars

A NASA spacecraft in orbit around Mars has taken the first ever image of active avalanches near the Red Planet's north pole.


SATURDAY 1. MARCH 2008


New Radar Maps of the Moon

New high-resolution radar maps of the Moon's south pole reveal a fantastic land with peaks as high as Mt. McKinley and crater floors four times deeper than the Grand Canyon.


THURSDAY 21. FEBRUARY 2008


Who's Orbiting the Moon?

Do you know who's orbiting the moon? The answer might surprise you. Find out in today's story from Science@NASA.


THURSDAY 14. FEBRUARY 2008


Total Lunar Eclipse

On Wednesday evening, February 20th, the full Moon over the Americas will turn a delightful shade of red and possibly turquoise, too. It's a total lunar eclipse—the last one until Dec. 2010.


SATURDAY 9. FEBRUARY 2008


Name that Space Telescope!

NASA is inviting members of the general public from around the world to suggest a new name for the Gamma-ray Large Area Space Telescope, otherwise known as GLAST, before it launches in mid-2008.


THURSDAY 7. FEBRUARY 2008


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.