Supernova in a Sideways Spiral
A long time ago, in a distant galaxy, a massive star was destroyed in a supernova explosion. The light of this event ...
Astronomic Photos
Check out the beauty of the cosmos!
The Retrograde Dance of Saturn and Neptune
What does it mean for Saturn and Neptune to be in retrograde? Featured is a composite of images taken over 34 nights ...
Orion over Mount Teide
Orion is rarely seen like this. To achieve this majestic vista, you need a camera capable of taking such long durati...
Superplumes Inside Earth
Why are there huge, unusual masses inside the Earth? No one is sure. By noting how earthquakes rumble through our pl...
Trifid Pillars and Jets
Dust pillars are like interstellar mountains. They survive because they are more dense than their surroundings, but ...
Seeing Titan
Shrouded in a thick atmosphere, the surface of Saturn's largest moon, Titan, is really hard to see. Small particles s...
Markarian's Chain
Near the heart of the Virgo Galaxy Cluster, a string of galaxies known as Markarian's Chain stretches across this tel...
Waves on Titan
Have you ever thought about surfing on an alien world? We can now expand the search for the perfect wave from Earth t...
The Moon, Venus, and the Pleiades
No, Earth did not recently acquire six more moons! Today’s APOD is a combination of images following the Moon, Ven...