Space Facts & Astronomy
Discover amazing space facts, astronomy pictures of the day, and fascinating information about our universe from NASA.
Previous Days
Plato and the Lunar Alps
The dark-floored, 95 kilometer wide crater Plato and sunlit peaks of the lunar Alps (Montes Alpes) are highlighted in th...
Read MoreA Solar Eruption from SDO
What just leapt from the Sun? A towering structure of solar plasma suddenly rose from the Sun's surface and unfurled in...
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Full Moonlight
The Full Moon is the brightest lunar phase, and tonight you can stand in the light of the first Full Moon of 2026. In fa...
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NanoSail-D2
In 2011, on January 20, NASA's NanoSail-D2 unfurled a very thin and very reflective 10 square meter sail becoming the fi...
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Auroral Corona
Cycle 25 solar maximum made 2025 a great year for aurora borealis (or aurora australis) on planet Earth. And the high le...
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HH-222: The Waterfall Nebula
What created the Waterfall Nebula? The origin is still being researched. The structure, officially designated Herbig-H...
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An Artificial Comet
Yes, but can your comet tail do this? No, and what you are seeing is not the tail of a comet. The picture features a cle...
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M1: The Crab Nebula
This is the mess that is left when a star explodes. The Crab Nebula, the result of a supernova seen in 1054 AD, is fill...
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NGC 1898: Globular Cluster in the Large Magellanic Cloud
Jewels don't shine this bright -- only stars do. And almost every spot in this jewel-box of an image from the Hubble Spa...
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Apollo 17's Moonship
Awkward and angular looking, Apollo 17's lunar module Challenger was designed for flight in the near vacuum of space. D...
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Unicorn, Fox Fur and Christmas Tree
A star forming region cataloged as NGC 2264, this beautiful but complex arrangement of interstellar gas and dust is abou...
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Mystery: Little Red Dots in the Early Universe
What are these little red dots (LRDs)? Nobody knows. Discovered only last year, hundreds of LRDs have now been found by...
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