NASA TOP STORY

NASA Tip: How to Safely Watch the Oct. 23 Partial Solar Eclipse

© T. Ruen/NASA

A partial solar eclipse occurs when the moon obscures only part of the sun from Earth's view.

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.


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This Week at NASA: Power Spacewalk, Maven First Light and More Video in Story

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This Week at NASA: Power Spacewalk, Maven First Light and More

During an October 15 spacewalk outside the International Space Station - the second U.S. spacewalk in as many weeks - Expedition 41 Flight Engineers Reid Wiseman and Barry Wilmore of NASA, replaced a failed voltage regulation device to restore the station's electrical power output to full capacity.

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This Week at NASA: Spacewalk, Mars Flyby and More

This Week at NASA: Spacewalk, Mars Flyby and More Video in Story

Aboard the International Space Station, Expedition 41 Flight Engineers Reid Wiseman of NASA and Alexander Gerst of the European Space Agency donned U.S. spacesuits for an October 7 spacewalk to relocate a failed cooling pump and to install a backup power cable device for the station's rail car system.


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This Week at NASA: New Crew Launches to the ISS and More

This Week at NASA: New Crew Launches to the ISS and More Video in Story

On September 25, Eastern time, NASA astronaut Barry Wilmore and his Expedition 41/42 crewmates, Alexander Samokutyaev and Elena Serova of the Russian Federal Space Agency, launched to the International Space Station aboard a Russian Soyuz spacecraft, from the Baikonur Cosmodrome in Kazakhstan.


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This Week at NASA: Returning Human Spaceflight to America

This Week at NASA: Returning Human Spaceflight to America Video in Story

During a September 16 news conference at Kennedy Space Center - a major announcement by NASA Administrator Charlie Bolden that Boeing and SpaceX have been chosen to transport U.S. astronauts to and from the International Space Station - effectively putting America back into the business of launching humans to space - ending our sole reliance on Russia by 2017.


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Inside Kennedy Space Center and Spaceport Magazine

Inside Kennedy Space Center and Spaceport Magazine Video in Story

NASA's Kennedy Space Center (KSC) has released what could be a new regular video feature called Inside KSC. It appears to be a complementary product to the September edition of the KSC Spaceport Magazine.


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This Week at NASA: Mars, Space Launch System, Orion and More

This Week at NASA: Mars, Space Launch System, Orion and More Video in Story

NASA Administrator Charlie Bolden, other NASA officials and representatives from The Boeing Company participated in a September 12 ribbon cutting for the new 170-foot-high Vertical Assembly Center at NASA's Michoud Assembly Facility in New Orleans.


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Sun - Dark Solar Filament Liftoff

Sun - Dark Solar Filament Liftoff Video in Story

The long, dark solar filament that had been visible for many days finally lifted off and broke away into space (September 2, 2014). Filaments are elongated clouds of plasma tethered above the Sun's surface by powerful magnetic forces. Filaments are notoriously unstable.


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This Week at NASA: Global Precipitation Measurement Data Now Public and More

This Week at NASA: Global Precipitation Measurement Data Now Public and More Video in Story

Precipitation information from the first six months of the Global Precipitation Measurement Core Observatory mission now is fully available to the public.


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This Week at NASA: Space Launch System Milestone

This Week at NASA: Space Launch System Milestone Video in Story

On August 27, NASA announced a milestone in development of the Space Launch System heavy-lift rocket.


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This Week at NASA: Orion, Ancient Earth, Spacewalk and More

This Week at NASA: Orion, Ancient Earth, Spacewalk and More Video in Story

During an August 20 event at NASA headquarters, called Ancient Earth, Alien Earths, a panel of scientists from NASA and other organizations discussed how vastly different and inhospitable we all would find ancient Earth, if we could go back in time.


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NASA Picks Top Earth Data Challenge Ideas, Opens Call for Climate Apps

NASA Picks Top Earth Data Challenge Ideas, Opens Call for Climate Apps

NASA has selected four ideas from the public for innovative uses of climate projections and Earth-observing satellite data. The agency also has announced a follow-on challenge with awards of $50,000 to build climate applications based on OpenNEX data on the Amazon cloud computing platform.


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Video: NASA Panel Discussions - Ancient Earth, Alien Earths

Video: NASA Panel Discussions - Ancient Earth, Alien Earths Video in Story

During an August 20 event at NASA headquarters, called Ancient Earth, Alien Earths, a panel of scientists from NASA and other organizations discussed how vastly different and inhospitable we all would find ancient Earth, if we could go back in time.


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NASA: Super-Black Nano-Coating to Be Tested for the First Time in Space

NASA: Super-Black Nano-Coating to Be Tested for the First Time in Space

An emerging super-black nanotechnology that promises to make spacecraft instruments more sensitive without enlarging their size will be tested for the first time on the International Space Station within a year.


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NASA: Preparing America for Deep Space Exploration

NASA: Preparing America for Deep Space Exploration Video in Story

NASA provides a quick look at what's been going on in the Orion, the Space Launch System and Ground Systems Development and Operations programs in April, May and June of 2014.


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This Week at NASA: OCO-2 First Light, Black Holes, Cygnus, ATV-5

This Week at NASA: OCO-2 First Light, Black Holes, Cygnus, ATV-5 Video in Story

A month after its launch, the Orbiting Carbon Observatory-2, NASA's first spacecraft dedicated to studying atmospheric carbon dioxide - has reached its final operating orbit and returned its first science data.



More top stories from October.