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New views of Uranus’ auroras and rings
NASA just released a new composite image combining Voyager 2 and Hubble data to show both the rings and auroras of Uranus.
April 12, 2017
The perilous process of star birth
It isn't a supernova or dying star. It's an explosion during star birth and provides insights into the sometimes-fierce relationship among sibling stars.
April 10, 2017
Close pass from asteroid 2017 GM!
Asteroid 2017 GM is one of the 10 closest asteroids known so far to sweep past Earth, and then keep going. At its closest, it was less than 1/20th of the moon's mean distance.
April 4, 2017
Asteroid close encounter on April 2
The near-Earth asteroid 2017 FU102 has a very close, but safe, encounter with Earth on April 2, 2017, sweeping to within just over half the moon's distance.
April 2, 2017
Merging galaxies behaving strangely
When large and small galaxies merge, the large galaxy's central black hole typically gorges on gas and dust. But in a merging galaxy system called Was 49, the small galaxy has the feeding black hole.
April 1, 2017
No kidding! April Fools’ Comet
Comet 41P/Tuttle-Giacombini-Kresák will be closer to Earth on April 1 than it's been since its discovery. You need a telescope to see it, but there's an online viewing Friday night.
March 31, 2017
Watch Thursday’s spacewalk
Two ISS astronauts will be outside the space station beginning about 8 a.m. EDT (12:00 UTC) on March 30. The spacewalk is expected to last about 6.5 hours. Links to live viewing here.
March 30, 2017
Watch SpaceX rocket launch Thursday
The launch window for the reused - "flight proven" - Falcon 9 rocket opens at 18:27 EDT (22:27 UTC) on March 30. There's a two-and-a-half-hour launch window. Links to the live launch here.
March 30, 2017
Watch a full rotation of the moon
Wonderful video from the Lunar Reconnaissance Orbiter, a NASA spacecraft in a polar orbit around the moon since 2009. The moon as you've never seen it!
March 28, 2017
