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3,045 articles from NASA

Dry Ice "Snowboards" on Mars

New research suggests that some of the famous gullies on Mars are caused by slabs of dry ice gliding down sand dunes on cushions of gas similar to miniature hovercraft.


FRIDAY 7. JUNE 2013


Noctilucent Clouds Get an Early Start

Noctilucent clouds have surprised researchers by appearing early this year. The unexpected apparition of electric-blue nightshining clouds hints at a change in the "teleconnections" of Earth's atmosphere.

Asteroid Moon Movie

Scientists working with NASA's 70-meter Deep Space Network antenna in Goldstone, Calif., have released a new and improved movie clip of near-Earth asteroid 1998 QE2 and its moon.


THURSDAY 30. MAY 2013


Big Asteroid Flyby

NASA is tracking a large near-Earth asteroid as it passes by the Earth-Moon system on May 31st. Amateur astronomers in the northern hemisphere may be able to see the space rock for themselves during the 1st week of June.


FRIDAY 24. MAY 2013


Big Weather on Hot Jupiters

Astronomers using NASA's Spitzer Space Telescope are making weather maps of an exotic class of exoplanets called "hot Jupiters." What they're finding is wilder than anything we experience here in our own solar system.


FRIDAY 17. MAY 2013


Bright Explosion on the Moon

NASA researchers who monitor the Moon for meteoroid impacts have detected the brightest explosion in the history of their program. It was caused by a small boulder-sized meteoroid hitting the Moon with as much energy as 5 tons of TNT.


FRIDAY 10. MAY 2013



MONDAY 6. MAY 2013



TUESDAY 30. APRIL 2013


Gigantic Hurricane Spotted on Saturn

NASA's Cassini spacecraft has spotted a gigantic hurricane swirling inside a mysterious, six-sided weather pattern known as "the hexagon" at Saturn's north pole.


SATURDAY 27. APRIL 2013



THURSDAY 25. APRIL 2013



WEDNESDAY 24. APRIL 2013



FRIDAY 19. APRIL 2013


Comet ISON Meteor Shower

A new model of the debris flowing from Comet ISON suggests that the sungrazer could dust the Earth with meteoroids in early 2014. Experts discuss the possibilities today's story from Science@NASA.


THURSDAY 18. APRIL 2013


Kepler Discovers Smallest 'Habitable … Zone' Planets

NASA's Kepler mission has discovered two new planetary systems that include three super-Earth-size planets in the "habitable zone," the range of distance from a star where the surface temperature of an orbiting planet might be suitable for liquid water.


MONDAY 15. APRIL 2013


A Whiff of Dark Matter on the ISS

A particle detector on board the International Space Station has recorded intriguing signs of Dark Matter. Researchers say that a significant advance in cosmology could be in the offing.


FRIDAY 29. MARCH 2013


Don't Let This Happen to Your Planet

Life as we know it doesn't thrive on planets without ozone layers, which is why the recovery of Earth's ozone layer is so important. A new instrument slated for launch to the ISS will monitor our planet's protective ozone cocoon with greater depth and precision than ever before.


TUESDAY 26. MARCH 2013



THURSDAY 21. MARCH 2013


Universe Older Than Previously Thought

The European Space Agency's Planck spacecraft has released the most detailed map ever made of the oldest light in the universe, revealing new information about its age, contents and origins.


FRIDAY 15. MARCH 2013


Sunset Comet

Comet Pan-STARRS has survived its encounter with the sun and is now emerging from twilight in the sunset skies of the northern hemisphere. A NASA spacecraft has beamed back spectacular pictures of a "wild and ragged" tail behind the comet's active nucleus.


TUESDAY 12. MARCH 2013



SUNDAY 10. MARCH 2013


Amplified Greenhouse Effect Shifts … Growing Seasons

Vegetation growth at Earth's northern latitudes increasingly resembles lusher latitudes to the south, according to a NASA-funded study. "It's like Winnipeg, Manitoba, moving to Minneapolis-Saint Paul in only 30 years," says one of the lead researchers.


FRIDAY 8. MARCH 2013


Solar Wind Energy Source Discovered

Using data from an aging NASA spacecraft, researchers have found signs of an energy source in the solar wind that has caught the attention of fusion researchers.


SATURDAY 2. MARCH 2013


Solar Cycle Update: Twin Peaks?

Something unexpected is happening on the sun. 2013 is supposed to be the year of Solar Max, but solar activity is much lower than expected. At least one leading forecaster expects the sun to rebound with a double-peaked maximum later this year.