An ongoing act of cosmic cannibalism may be responsible for the strange appearance and unprecedented behavior of a gigantic star nicknamed Nasty 1.
Astronomers get a first look at the conditions that may have led to the creation of most star clusters.
Astronomers studying the globular star clusters orbiting the giant elliptical galaxy Centaurus A (NGC 5128) have stumbled upon a fascinating discovery -- the clusters are too massive.
Observations by NASA's Spitzer Space Telescope have revealed wild atmospheric changes on a well studied exoplanet -- changes that could be driven by extreme volcanic activity.
This beautiful portrait of our nearest star was captured by NASA's Solar Dynamics Observatory (SDO), picking out the powerful and elegant loops of magnetized plasma reaching high into the sun's corona.
Astronomers have taken a census of distant spiral galaxies to help us understand what our Milky Way may have looked like in the distant past, also providing us with an invaluable look at the evolution of our own solar system.
Scientists have found complex organic molecules in a planet-forming disk of gas, dust and ice swirling around a very young star, evidence that the building blocks for life may be common in the universe.
A ravaged star, having survived its partner's supernova explosion, is being flung out of the Milky Way at record speeds.
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