The Event Horizon Telescope captured the first image of the Milky Way galaxy's supermassive black hole Sagittarius A* — our ...

The Sombrero galaxy shines in a new mid-infrared image, revealing a smooth inner disk and intricate clumps in its outer ring. A pulsar wind nebula resembles a ghostly hand in a composite image ...

This Hubble Space Telescope image of NGC 4900 appears to show a bright star overlapping the spiral galaxy. But while both celestial objects appear to be in the constellation Virgo as viewed from ...