Watch spacewalk live September 1

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NASA TV will broadcast live coverage on Thursday of a 6.5-hour spacewalk by 2 astronauts aboard ISS. Coverage will start at 6:30 a.m. EDT (1030 UTC). The spacewalk will begin about 8 a.m. EDT (1200 UTC).

Eleanor Imster

August 31, 2016

Ring of fire eclipse on September 1

Second and final solar eclipse of 2016. Moon too far away in its orbit to cover the sun completely so it's an annular or ring of fire eclipse.

Bruce McClure

August 31, 2016

A galaxy made of 99.9% dark matter

Although it's relatively nearby, Dragonfly 44 was missed for decades by astronomers because it's very dim. But there's more to this galaxy than meets the eye.

Deborah Byrd

August 30, 2016

A rare sky over northern Idaho

A 22-degree halo and circumzenithal arc, an upper tangent arc and 2 more rare arcs ... good day to have a head in the clouds.

Deborah Byrd

August 30, 2016

Milky Way over Sun Valley, Idaho

John Boydston submitted this beauty shot of the Milky Way and wrote, "Lots of Earth and sky in this one." For sure! Thanks, John.

Eleanor Imster

August 29, 2016

Hours after discovery, asteroid swept by

Asteroid 2016 QA2 was twice as big as the space rock that entered over Russia in 2013, breaking windows in 6 Russian cities. It passed safely Saturday night.

Eddie Irizarry

August 28, 2016

Success for Juno’s 1st Jupiter flyby

Juno spacecraft arrived at Jupiter on July 4 and has spent some weeks in a testing mode. On Saturday, it came closer to Jupiter than any spacecraft ever has.

Andrew R. Brown

August 28, 2016