Space Facts & Astronomy
Discover amazing space facts, astronomy pictures of the day, and fascinating information about our universe from NASA.
Previous Days
Tails of Comet Wierzchoś
Some comets are regular guests of our solar neighborhood; others come by only once, never to return. We won’t have anot...
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Unexplained Shocks Around a White Dwarf Star
How is RXJ0528+2838 creating such shock waves? A recently discovered white dwarf star, the farther left of the two larg...
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To Fly Free in Space
What would it be like to fly free in space? About 100 meters from the cargo bay of a space shuttle, Bruce McCandless II...
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Roses are Red
Roses are red, nebulas are too, and this Valentine's gift is a stunning view! Pictured is a loving look at the Rosette N...
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NGC 147 and NGC 185
Dwarf galaxies NGC 147 (left) and NGC 185 stand side by side in this deep telescopic portrait. The two are not-often-ima...
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The Bay of Rainbows
Dark, smooth regions that cover the Moon's familiar face are called by Latin names for oceans and seas. That naming conv...
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A Year of Sunspots
How many sunspots can you see? The central image shows the many sunspots that occurred in 2025, month by month around t...
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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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