Featured Image: Evolution of a Cosmic Crab
See the famous Crab Nebula in a whole new way: researchers have mapped the 3D kinematic structure of the nebula and investigated a jet-like feature emerging from the expanding shell.
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Featured Image: A Pulsar in a Nebula in a Supernova Remnant
Researchers have discovered a comet-shaped nebula surrounding a pulsar speeding through the remains of its progenitor star.
Featured Image: The Microquasar and the Manatee
An accreting stellar-mass black hole embedded in a supernova remnant is potentially a powerful cosmic particle accelerator.
Featured Image: Citizen Science and Solar Structure
Citizen scientists from the Dynamic Eclipse Broadcast Initiative recorded nearly an hour of coronal behavior during the 8 April 2024 solar eclipse.
Featured Image: A Rare Pair of Galaxies Lacking Dark Matter
The galaxies FCC 224 and FCC 240 appear to be a rare example of a dark-matter-poor, globular-cluster-rich pair formed via colliding dwarf galaxies.
Featured Image: A Mass Mystery in the Bullet Cluster
Using data from JWST and the Dark Energy Camera, researchers have revisited a long-standing issue with measurements of the famous Bullet Cluster.
Featured Image: A Spiral Cloud in the Milky Way
A newly discovered molecular cloud in the Milky Way displays a surprising spiral structure.
Featured Image: Massive Young Star Clusters, Revealed
JWST peers through dusty, knotted gas to uncover young star clusters in the interacting Antennae galaxies.
Featured Image: Chasing Weywot’s Shadow
Researchers observed Weywot, the largest moon of the dwarf planet Quaoar, as it briefly blotted out the light from a star.
Featured Image: Galaxies Caught in Transition
Are galaxies that travel through space in groups any different from those that fly solo? A new look at local galaxies provides clues.