The Dancing Auroras of Saturn
What drives auroras on Saturn? To help find out, scientists have sorted through hundreds of infrared images of […]
NASA
Pixels in the Sun
These two panels, composed of video frames made with a safe solar telescope and hydrogen alpha filter, show […]
Andromeda in a Single Shot
How far can you see? The Andromeda Galaxy, 2.5 million light years away, is the most distant object […]
Messier 99
Grand design spiral galaxy Messier 99 looks majestic on a truly cosmic scale. This recently processed full galaxy […]
STARFORGE: A Star Formation Simulation
How do stars form? Most form in giant molecular clouds located in the central disk of a galaxy. […]
HD 163296: Jet from a Star in Formation
How are jets created during star formation? No one is sure, although recent images of the young star […]
The Tadpole Galaxy from Hubble
Why does this galaxy have such a long tail? In this stunning vista, based on image data from […]
Sunrise Solstice over Stonehenge
Today the Sun reaches its northernmost point in planet Earth’s sky. Called a solstice, many cultures mark this […]
Northern Summer Twilight
Nights grow shorter and days grow longer as the summer solstice approaches in the north. Usually seen at […]
Devil Horns from a Ring of Fire
Atmospheric refraction flattened the solar disk and distorted its appearance in this telescopic view of an Atlantic sunrise […]