Space Facts & Astronomy
Discover amazing space facts, astronomy pictures of the day, and fascinating information about our universe from NASA.
Previous Days
In Green Company: Aurora over Norway
Raise your arms if you see an aurora. With those instructions, two nights went by with, well, clouds -- mostly. On the t...
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Miranda Revisited
What is Miranda really like? Visually, old images from NASA's Voyager 2 have been recently combined and remastered to r...
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Active Sunspot Region 4366 Crosses the Sun
An unusually active sunspot region is now crossing the Sun. The region, labelled AR 4366, is much larger than the Earth...
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Crescent Enceladus
Peering from the shadows, the Saturn-facing hemisphere of tantalizing inner moon Enceladus poses in this Cassini spacecr...
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Supernova Remnant Cassiopeia A
Massive stars in our Milky Way Galaxy live spectacular lives. Collapsing from vast cosmic clouds, their nuclear furnace...
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NGC 1275 in the Perseus Cluster
Active galaxy NGC 1275 is the central, dominant member of the large and relatively nearby Perseus Cluster of Galaxies. W...
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Spiral Galaxy NGC 1512: Wide Field
Most galaxies don't have any rings -- why does this galaxy have three? To begin, a ring that's near NGC 1512's center -...
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Red Spider Planetary Nebula from Webb
Oh what a tangled web a planetary nebula can weave. The Red Spider Planetary Nebula shows the complex structure that ca...
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Orion: The Running Man Nebula
What part of Orion is this? Just north of the famous Orion Nebula is a picturesque star forming region in Orion's Sword...
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Galle: Happy Face Crater on Mars
Mars has put on a happy face. The Martian crater Galle is famous because it has internal markings that make it look lik...
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Artemis I: Flight Day 13
On flight day 13 (November 28, 2022) of the Artemis 1 mission, the Orion spacecraft reached its maximum distance from Ea...
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NGC 1333: Stellar Nursery in Perseus
NGC 1333 is seen in visible light as a reflection nebula, dominated by bluish hues characteristic of starlight reflected...
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