All of These Space Images are Fake Except One
Why would you want to fake a universe? For one reason — to better understand our real universe. […]
NASA
A Filament Leaps from the Sun
Why, sometimes, does part of the Sun’s atmosphere leap into space? The reason lies in changing magnetic fields […]
The Cats Eye Nebula in Optical and X-ray
To some it looks like a cat’s eye. To others, perhaps like a giant cosmic conch shell. It […]
The Galaxy Between Two Friends
On an August night two friends enjoyed this view after a day’s hike on the Plateau d’Emparis in […]
The Dark Seahorse in Cepheus
Light-years across, this suggestive shape known as the Seahorse Nebula appears in silhouette against a rich, luminous background […]
NGC 147 and NGC 185
Dwarf galaxies NGC 147 (left) and NGC 185 stand side by side in this sharp telescopic portrait. The […]
The Horsehead and Flame Nebulas
The Horsehead Nebula is one of the most famous nebulae on the sky. It is visible as the […]
SN Requiem: A Supernova Seen Three Times So Far
We’ve seen this same supernova three times — when will we see it a fourth? When a distant […]
A Waterfall and the Milky Way
The dream was to capture both the waterfall and the Milky Way together. Difficulties included finding a good […]
Dark Matter in a Simulated Universe
Is our universe haunted? It might look that way on this dark matter map. The gravity of unseen […]