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Watch sun erupt in 1st images from NOAA's groundbreaking new satellite (photos)
By Samantha Mathewson published
NOAA shared new images taken by the world's first operational space-based coronagraph, CCOR-1, captured during a solar storm outburst.
Watch sun unleash major X-flare in epic solar eruption (video)
By Daisy Dobrijevic published
We could expect even more eruptions from this sunspot region in the coming days as it rotates to face Earth.
Saturn gets its 1st confirmed Trojan asteroid — but it might be stolen
By Robert Lea published
Saturn has finally joined the solar system's other giant planets in possessing a Trojan asteroid, but it may have stolen it. The bouncing asteroid seems to have originated in the Kuiper belt.
Headless 'Halloween comet' could already be doomed
By Joe Rao published
While some are hoping for a bright "Halloween comet," astronomers say the speeding cosmic snowball has likely already broken apart.
How moon-landing teams are learning from each other to make the next lunar leap
By Andrew Jones published
Moon landing attempts are becoming so frequent that the players involved — private companies and government agencies alike — are learning from each other's efforts.
See the 'comet of the century' light up the night sky in breathtaking photos
By Brett Tingley published
Comet A3 Tsuchinshan-ATLAS proved to be photogenic as it lit up the early autumn skies of the Northern Hemisphere this month.
Scientists have dated the moon's oldest, and largest, impact site
By Stefanie Waldek published
The moon has been bombarded by asteroids and comets for more than 4.32 billion years.
Comet Tsuchinshan-ATLAS is a Halloween visitor from the spooky Oort Cloud − the invisible bubble that's home to countless space objects
By James Wray published
The cloud is basically a gigantic reservoir that may hold billions of icy celestial bodies. Two of those bodies will pass by Earth in the days leading up to Halloween.
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