James Webb captures image of supernova remnant Cassiopeia A
A stunning new image from the James Webb Space Telescope shows a famous supernova remnant called Cassiopeia A, or Cas A.
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A stunning new image from the James Webb Space Telescope shows a famous supernova remnant called Cassiopeia A, or Cas A.
You may not always notice them, but Venus, Jupiter (and a few other planets) often appear as extra-bright stars in the evening sky. Right now, those tw
The European Space Agency is making final preparations for the launch of an advanced spacecraft that will explore the icy moons of Jupiter.
NASA has launched a new interactive tool that shows Mars in extraordinary detail and lets you travel between points of interest at the click of a mouse.
Recently, astronomers using the Hubble Space Telescope spotted two quasars burning brightly in the night sky -- and they're on a collision course.