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

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MAVEN Ultraviolet Image of Comet Siding Spring’s Hydrogen Coma

10.23.2014
NASA’s MAVEN spacecraft captured an ultraviolet image of hydrogen surrounding comet Siding Spring. The cloud was about a half degree across, comparable in size to Earth’s moon as seen from Earth.

NASA's SDO Observes Largest Sunspot of the Solar Cycle

10.23.2014
A gigantic sunspot – almost 80,000 miles across --can be seen on the lower center of the sun in this image from NASA’s Solar Dynamic Observatory captured on Oct. 23, 2014.

Sunset Solar Eclipse

10.23.2014
On Thursday, Oct. 23rd, the setting sun across eastern parts of the USA will be red, beautiful and … crescent-shaped.

NASA HS3 Mission Global Hawk's Bullseye in Hurricane Edouard

10.23.2014
NASA's Hurricane Severe Storms Sentinel or HS3 mission flew the unmanned Global Hawk aircraft on two missions between Sept. 11 and 15 into Hurricane Edouard and scored a bullseye,,,

Fires in the Southern United States

10.23.2014
In this image taken by the Aqua satellite of the southern United States actively burning areas as detected by MODIS’s thermal bands are outlined in red.

IceBridge Campaign Starts With Sea Ice

10.23.2014
Researchers with NASA’s Operation IceBridge got the mission’s 2014 Antarctic campaign off to a start with two surveys of sea ice and a science flight over the Antarctic Peninsula.

‘Pulse of Our Planet’: Watching Earth’s Vital Signs

10.23.2014
On Sept. 10, “Vital Signs: Pulse of Our Planet” premiered at the Smithsonian’s National Air and Space Museum, showcasing some of NASA’s most exciting Earth observations of our dynamic planet.

Rising Temperatures: A Month Versus a Decade

10.23.2014
April to September 2014 was the hottest spring and summer in 130 years of recordkeeping. Here’s why that matters, and why it doesn’t.

Third Substantial Solar Flare in 2 Days

10.22.2014
The sun erupted with another significant flare today, peaking at 10:28 a.m. EDT on Oct. 22, 2014. SDO captured images of the third substantial flare from the same region of the sun since Oct. 19.

Planetary Scientist: A Job That's Out of This World

10.22.2014
Melissa Trainer’s job as a planetary scientist lets her travel virtually to Mars, Titan and other extreme solar-system environments.

NASA-led Study Sees Titan Glowing at Dusk and Dawn

10.22.2014
New maps of Saturn’s moon Titan reveal large patches of two trace gases shining brightly near the north pole, on the dusk side of the moon, and near the south pole, on the dawn side.

NASA-NOAA Suomi NPP Satellite Team Ward Off Recent Space Debris Threat

10.22.2014
Space debris is an ongoing real-life concern for teams managing satellites orbiting Earth, including NOAA-NASA's Suomi NPP satellite.

TD9 (Atlantic Ocean)

10.22.2014
Tropical Depression Nine formed over the western Bay of Campeche, Gulf of Mexico and is forecast to make a quick landfall on Mexico's Yucatan Peninsula.

NASA's TRMM Satellite Calculates Hurricanes Fay and Gonzalo Rainfall

10.22.2014
NASA used TRMM and other satellite data to calculate rainfall from Atlantic hurricanes Fay and Gonzalo.

NASA Ultra-Black Nano-Coating to Be Applied to 3-D New Solar Coronagraph

10.22.2014
An emerging super-black nanotechnology will be applied to a complex, 3-D component critical for suppressing stray light in a new, smaller, less-expensive solar coronagraph.

NASA's MAVEN Studies Passing Comet and Its Effects

10.21.2014
NASA's newest orbiter at Mars, MAVEN, took precautions to avoid harm from a dust-spewing comet that flew near Mars today and is studying the flyby's effects on the Red Planet's atmosphere.

Fires in Eastern China

10.21.2014
China is a well-known user of fire to clear agricultural fields of debris. In this satellite image hundreds of hot spots fill the image.

Fires in Northern India

10.21.2014
The location, widespread nature, and number of fires suggest that these fires were deliberately set to manage land.

How to Safely Watch the October 23 Partial Solar Eclipse

10.21.2014
During the late afternoon of Oct. 23, 2014, a partial solar eclipse will be visible from much of North America before sundown. Partial eclipses occur when the moon blocks part of the sun from view.

NASA's Fermi Satellite Finds Hints of Starquakes in Magnetar 'Storm'

10.21.2014
Astronomers analyzing the data from Fermi's detection of a "storm" of high-energy blasts from a magnetar have discovered underlying signals related to seismic waves rippling throughout it.

NASA Webb's Heart Survives Deep Freeze Test

10.21.2014
After 116 days of being subjected to extremely frigid temperatures like that in space, the heart of the James Webb Space Telescope emerged unscathed from the thermal vacuum chamber.

NASA's SDO Observes an X-class Solar Flare

10.20.2014
A solar flare surges off the lower left hand of the sun in this image captured by NASA's SDO on Oct. 19, 2014.

Fires in the Cape York Peninsula, Australia

10.20.2014
Although the Queensland Rural Fire website does not show any fires in this area, the Australian Government's Sentinel Hotspot website shows numerous hotspots.

Fires in the Egypt River Delta

10.20.2014
This NASA satellite image is of the Egyptian River Delta. Actively burning areas, detected by MODIS’s thermal bands, are outlined in red.

Trudy (Eastern Pacific)

10.20.2014
The quick life and death of Tropical Storm Trudy...
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