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

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Team Commemorates the End of the TRMM Mission

Representatives of the Tropical Rainfall Measuring Mission team gathered on April 15 at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, to commemorate the end of the mission.

NASA, USGS Begin Work on Landsat 9 to Continue Land Imaging Legacy

NASA and the U.S. Geological Survey (USGS) have started work on Landsat 9, planned to launch in 2023, which will extend the Earth-observing program’s record of land images to half a century.

Death of Giant Galaxies Spreads from the Core

The NASA/ESA Hubble Space Telescope and ESO's Very Large Telescope revealed 3 billion years after the Big Bang, "dead galaxies", still made stars on their outskirts, but no longer in their interiors.

NASA ER-2 Completes Suomi-NPP Arctic Validation Mission

NASA’s high-altitude ER-2 aircraft completed a series of validation flights last month in support of the Earth-observing NASA/NOAA Suomi National Polar-orbiting Partnership satellite, or Suomi NPP.

Fires Surround Tonle Sap Lake in Cambodia

Fires surround the Tonle Sap Lake in Cambodia just north of Phnom Penh.

Ramping Up For Johnson's Chamber A Test

Looking out from inside the enormous mouth of NASA's giant thermal vacuum chamber, called Chamber A, the test model of the James Webb Space Telescope's backplane is seen sliding in on the rails.

NASA Celebrates Earth Day with Public Events, Online Activities

NASA will celebrate the 45th annual Earth Day April 17-22 with a variety of live and online activities to engage the public in the agency’s mission to better understand and protect our home planet.

Tornado Track in Northern Illinois

A powerful EF-4 tornado barreled through the farming community of Fairdale, Illinois, on April 9, 2015.

Fires in Eastern Kansas

Smoke and hotspots from fires in eastern Kansas were spotted from space by NASA's Aqua satellite.

Fires Continue in Three of Chile's National Parks

Aqua captured an image of smoke from several fires burning in several of Chile's protected areas.

NASA Prepares Webb Telescope Pathfinder for Famous Chamber A

Engineers and technicians manually deployed the secondary mirror support structure (SMSS) of the James Webb Space Telescope's Pathfinder backplane test model.

Altimeter Assists in MESSENGER’s Low-Altitude Navigation

An on-board science instrument that mapped the surface of Mercury is helping the navigation team with the spacecraft’s low-altitude passes.

Iceberg B-15T Still Adrift

March 2015 marked the 15th year that iceberg B-15 remained afloat around least what’s left of it.

Tropical Cyclone Solo (SW Pacific Ocean)

Solo formed in the Coral Sea and is giving several islands something to crow about, because it has triggered watches already in Solomon Islands.

Hubble Stares into the Crammed Center of Messier 22

This image shows the center of the globular cluster Messier 22, also known as M22, as observed by the NASA/ESA Hubble Space Telescope.

"Hubble" – One Word Says It All

You know you've made it when people know you by your first name alone. There's Cher. Beyoncé. Ozzie. Angelina. Lebron. Oprah. Add to that list "Hubble."

A View from NASA's Webb Bed-Chamber

This photo, taken from the inside of Chamber A, shows the large vehicle resembling a bed frame in the foreground that will move James Webb Space Telescope's Pathfinder backplane inside the chamber.

Expect the Unexpected in a Hubble 25th Anniversary Video

"Expect the Unexpected" is the title of the third video in a series celebrating Hubble's 25th anniversary this month.

The TRMM Rainfall Mission Comes to an End after 17 Years

n 1997 when the Tropical Rainfall Measuring Mission, or TRMM, was launched, its mission was scheduled to last just a few years. Now, 17 years later, the TRMM mission has come to an end.

Fires in Western Australia April 2015

Bushfires are inevitable in the fire-prone landscapes of Western Australia.

MAVEN Completes 1,000 Orbits around Mars

NASA’s MAVEN mission, the first mission devoted to understanding the Martian upper atmosphere, completed 1,000 orbits around the Red Planet on April 6, 2015.

Charles Gatebe - Pushing the Limits of Curiosity

Climate scientist Charles K. Gatebe always pushes the limits and encourages others to be as curious.

Arctic Moisture on the Move

Arctic sea ice—frozen seawater floating on top of the Arctic Ocean and its neighboring seas—grows in the fall and winter and melts in the spring and summer.

NASA Invites Children, Families to Learn about NASA's Terra Satellite in Sunday Experiment

NASA's Goddard Space Flight Center Visitor Center in Greenbelt, Maryland, will host a Sunday Experiment on April 19, from 1 p.m. to 3 p.m. EDT. The event is free and open to the public...

NASA Joins Forces to Put Satellite Eyes on Threat to U.S. Freshwater

NASA has joined forces with other agencies to transform satellite data designed to probe ocean biology into information that will help protect the American public from harmful freshwater algal blooms.
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