Images from NASA's James Webb Space Telescope contain telltale signs of two dozen previously unseen young stars about 7,500 light years away.
New research explains two puzzles about the size of planets, one known as the "radius valley" and the other called "peas in a pod."
The James Webb Space Telescope has captured its first images of the Orion Nebula, the richest and closest star nursery in the solar system.
A neutron star has consumed a huge part of its nearby companion and grown to become the heaviest ever found, astronomers report.
Astronomers have found a strange and persistent radio signal, called a fast radio burst, coming from billions of light-years away from Earth.
A Stanford astrophysicist and cosmologist reacts to recent news about the image taken by the James Webb Space Telescope.
Astronomers are working to learn more about what happens when supergiant stars die. A new image has helped them uncover some answers.
The stellar systems—which astronomers describe as "blue blobs"—are located within the relatively nearby Virgo galaxy cluster.
Planets may form differently around binary stars than they do near loners like our Sun. The finding could lead to new targets in the search for alien life.
Astronomers have been able to identify the widest range of elements in a star beyond our solar system yet in a Milky Way star called HD 222925.
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