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

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Researchers Find 3-Million-Year-Old Landscape Beneath Greenland Ice Sheet

04.18.2014
A team of university scientists and a NASA colleague were greatly surprised to discover an ancient tundra landscape preserved under the Greenland Ice Sheet, below two miles of ice.

NASA Celebrates Earth Day with Public Events, Online Activities

04.18.2014
NASA will celebrate the 44th anniversary of Earth Day with a variety activities April 21-27 to engage the public in the agency’s mission to better understand and protect our home planet.

Arctic Sea Ice Maximum 2014

04.18.2014
Arctic sea ice reached its annual maximum on March 21, 2014. And while the year was not extraordinary—the fifth lowest extent in 36 years of satellite records—the trend continues to be.

Hubble Sees Galaxies Spiraling around Leo

04.18.2014
Shown here is a spiral galaxy known as NGC 3455, which lies some 65 million light-years away from us in the constellation of Leo (the Lion).

IceBridge Mission Update: Snowy Start to Southwest

04.18.2014
Now in its sixth week, NASA's Operation IceBridge continued research on Arctic ice with two more flights out of Kangerlussuaq, Greenland.

Vitamin B3, Perhaps Delivered to Ancient Earth by Meteorites

04.17.2014
Goddard's Astrobiology Analytical Laboratory found the vitamin, which can form non-biologically, in multiple meteorites. The presence of water seemed to affect the amount of compound detected.

Notes from the Field: Sampling the Global Ocean and a Note on Ocean Acidification.

04.16.2014
One of the greatest tools used by oceanographers today for measuring ocean processes is the CTD. CTD stands for Conductivity, Temperature and Depth.

Wildfire Burns Valparaiso, Chile

04.16.2014
High winds propelled a wildfire through parts of Valparaiso, Chile, on April 13, 2014, quickly becoming the largest fire in the history of this port city.

Mission Update: Operation Ice Bridge: Weather Plays a Role

04.16.2014
Researchers with NASA's Operation IceBridge continued their work with more surveys of Greenland's ice sheet and glaciers.

Goddard Scientist Receives Vega Medal From King of Sweden

04.15.2014
Climate scientist Compton Tucker received a Vega Medal from Carl XVI Gustaf, the king of Sweden on April 14, 2014.

Anne Douglass - Thinks Like a Scientist

04.15.2014
When faced with a complex problem, Aura project scientist and co-lead for the Chemistry Climate Model Anne Douglass instructs herself to think like a scientist.

Odd Tilts Could Make More Worlds Habitable

04.15.2014
Planets that lean one way, then change orientation within a short geological time might be surprisingly habitable, according to modeling by scientists affiliated with the NASA Astrobiology Institute.

Solar Gusher

04.15.2014
An active region blew out a flare (bright flash) and a dark rush of plasma spewing above the Sun (Apr. 4, 2014). Then the semi-transparent plasma seemed to turn and shift in planes.

Cruising for Ocean Data

04.14.2014
You might think Earth-observing satellites have clear and precise vision right off the launch pad. The reality is more complicated...

Expanding Jakobshavn Coverage

04.11.2014
Operation IceBridge continued its 2014 Arctic campaign with a survey of the rapidly changing Jakobshavn Glacier and a survey that included a pass over the National Science Foundation's Summit Station.

NASA's Hubble Extends Stellar Tape Measure 10 Times Farther Into Space

04.10.2014
Using NASA's Hubble Space Telescope, astronomers now can precisely measure the distance of stars up to 10,000 light-years away -- 10 times farther than previously possible.

Appearance of Night-Shining Clouds Has Increased

04.10.2014
A NASA mission called Aeronomy of Ice in the Mesosphere, or AIM, was launched in 2007 to observe noctilucent clouds, but it currently only has a view of the clouds near the poles.

NASA Simulation Portrays Ozone Intrusions From Aloft

04.10.2014
Outdoor enthusiasts in Colorado's Front Range enjoy the remarkable visibility brought about by dry, clear air and wind. But it's the unseen that has attracted the interest of NASA scientists....

NASA's TRMM Satellite Sees Severe Weather in U.S. South

04.10.2014
The Tropical Rainfall Measuring Mission satellite flew over the southeastern United States on April 7, 2014 when a line of intense thunderstorms was moving through the area.

Construction to Begin on NASA Spacecraft for 2018 Asteroid Visit

04.10.2014
The OSIRIS-REx team has been given the go-ahead to begin building the spacecraft, flight instruments and ground system, and launch support facilities.

Ed Masuoka - Runs a Lab and Runs for Fun

04.08.2014
Each day, Ed Masuoka and his group produce and distribute a Library of Congress worth of science products and imagery collected by various satellites.

Webb Telescope's Heart Complete, Final Instrument Installed

04.08.2014
The last piece of the James Webb Space Telescope's heart was installed inside the world's largest clean room at NASA's Goddard Space Flight Center.

NASA's LRO Mission and North America to Experience Total Lunar Eclipse

04.08.2014
During the April 15 eclipse, the moon will be shadowed by Earth, and the Lunar Reconnaissance Orbiter’s instruments will take a nap.

Ivanoe (Southern Indian Ocean)

04.07.2014
Tropical Storm Ivanoe formed in the Southern Indian Ocean on April 5 and didn't last more than a day, but NASA's Tropical Rainfall Measuring Mission captured rainfall data on the short-lived storm.

Ita (Southern Pacific Ocean)

04.07.2014
The twenty-third tropical cyclone of the Southern Pacific tropical cyclone season has developed near the Solomon Islands and strengthened into Tropical Storm Ita on April 5.
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