Sciences and Exploration Directorate (600) Press Releases & Feature Stories Archive

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Holiday Lights on the Sun: SDO Imagery of a Significant Solar Flare

12.22.2014
SDO captured this image of a significant solar flare on Dec. 19, 2014. The image shows a subset of extreme ultraviolet light that highlights the extremely hot material in flares.

Hubble Sweeps a Messy Star Factory

12.19.2014
This sprinkle of cosmic glitter is a blue compact dwarf galaxy known as Markarian 209. Galaxies of this type are blue-hued, compact in size, gas-rich, and low in heavy elements.

NASA's SDO Captures Images of 2 Mid-Level Flares

12.19.2014
The sun emitted a mid-level flare on Dec. 18, 2014, at 4:58 p.m. EST. This was the second mid-level flare seen by NASA's Solar Dynamics Observatory in two days.

'Shooting the Moon' with Satellite Laser Ranging

12.18.2014
Laser ranging from Earth to NASA's Lunar Reconnaissance Orbiter (LRO) was a milestone in the 50-year history of satellite laser ranging.

NASA/USGS Satellite Sees Green-up Along Colorado River's Delta After Experimental Flow

12.18.2014
A pulse of water released down the lower reaches of the Colorado River last spring resulted in more than a 40% increase in green vegetation where the water flowed, as seen by the Landsat 8 satellite.

Earth From Space: 15 Amazing Things in 15 Years

12.18.2014
The view of Earth from orbit is never the same – from minute to minute, day to day, year to year.

NASA's Sun Watching Observatory Sees Mid-level Solar Flare on Dec. 16, 2014

12.17.2014
NASA's Solar Dynamics Observatory captured this image of a mid-level solar flare – as seen in the bright flash in the middle –on Dec. 16, 2014.

NOAA/NASA Satellite Sees Holiday Lights Brighten Cities

12.17.2014
A NASA scientist and colleagues have identified how patterns in nighttime light intensity change during major holiday seasons.

NASA Satellites Measure Increase of Sun’s Energy Absorbed in the Arctic

12.17.2014
NASA satellite instruments have observed a marked increase in solar radiation absorbed in the Arctic since the year 2000 – a trend that aligns with the steady decrease in Arctic sea ice...

New Insight from Old Snapshots of Greenland

12.17.2014
By analyzing old photographs from the early 1900s and comparing them with contemporary ones, researchers have mapped the retreat of some Greenland glaciers.

Earth Matters AGU 2014: The Buzz

12.17.2014
A record 25,000 researchers and exhibitors descended on San Francisco this week for the 2014 meeting of the American Geophysical Union (AGU).

NASA Awards Launch Services Contract for Transiting Exoplanet Survey Satellite

12.16.2014
NASA has selected SpaceX to provide launch services for the Transiting Exoplanet Survey Satellite (TESS) mission.

NASA Analysis: 11 Trillion Gallons to Replenish California Drought Losses

12.16.2014
It will take about 11 trillion gallons of water yo recover from California's continuing drought, according to a new analysis of NASA satellite data.

Central Africa Lights Up from Agricultural Fires

12.16.2014
This image taken by the Aqua satellite on December 15 shows hundreds of red dots indicative of fire.

NASA Rover Finds Active, Ancient Organic Chemistry on Mars

12.16.2014
NASA's Mars Curiosity rover has measured a tenfold spike in methane, an organic chemical, in the atmosphere and detected other organic molecules in a sample drilled from rock.

Goddard Instrument Makes First Detection of Organic Matter on Mars

12.16.2014
The Sample Analysis at Mars instrument suite on NASA's Curiosity rover has made the first definitive detection of organic molecules at Mars, in a drilled sample from the Cumberland site.

NASA Voyager: 'Tsunami Wave' Still Flies Through Interstellar Space

12.16.2014
The Voyager 1 spacecraft has experienced three "tsunami waves" in interstellar space. Listen to how these waves cause surrounding ionized matter to ring like a bell.

Hidden Movements of Greenland Ice Sheet, Runoff Revealed

12.15.2014
For years NASA has tracked changes in the massive Greenland Ice Sheet. This week scientists using NASA data released the most detailed picture ever of how the ice sheet moves toward the sea...

DSCOVR Mission's EPIC Instrument - Earth Polychromatic Imaging Camera

12.15.2014
EPIC instrument views the entire sunlit face of the Earth from sunrise to sunset in 10 narrowband channels, from ultraviolet to near infrared.

Fermi Mission Brings Deeper Focus to Thunderstorm Gamma-rays

12.15.2014
Each day, thunderstorms around the world produce about a thousand quick bursts of gamma rays, some of the highest-energy light naturally found on Earth.
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MAVEN Identifies Links in Chain Leading to Atmospheric Loss

12.15.2014
Early observations from the Mars-orbiting mission reveal details, including a new process by which the solar wind can penetrate deep into a planetary atmosphere.

Earth Image: An Iceberg Without a Name

12.14.2014
Only icebergs that have a side measuring at least 19 kilometers (12 miles) long are named and tracked by the U.S. National Ice Center.

NASA at 2014 American Geophysical Union Fall Meeting: Press Events

12.12.2014
NASA researchers are presenting new findings on a wide range of Earth and space science topics during the 2014 fall meeting of the American Geophysical Union.

NASA Highlights Drought, Mars, Arctic Warming at American Geophysical Union

12.12.2014
NASA researchers will present new findings on a wide range of Earth and space science topics next week at the annual meeting of the American Geophysical Union (AGU), Dec. 15-19, San Francisco, CA.

Satellite Animation Shows Return of the Pineapple Express

12.12.2014
The ‘‘Pineapple Express’’ happens when warm air and lots of moisture are transported from the Central Pacific, near Hawaii, to the Eastern Pacific Ocean.
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