On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

Astrophotographer Greg Meyer has captured a spectacular image of the Fireworks Galaxy (NGC 6946) shining close to the dark shape of the Seahorse Nebula.

For the photographers honored at the 2025 Astronomy Photographer of the Year awards, the universe is their muse. From our ...

Researchers stitched together hundreds of images from the Very Large Telescope to form a breathtaking photo of a nearby ...

The annual competition for professional and amateur astrophotographers released its shortlisted images, which capture the ...

Discover 3I/ATLAS, an interstellar comet with a reddish hue, rich in water ice, and possibly predating the solar system.

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We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

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Galaxies, the grand entities of the universe, have fascinating and dynamic lives of their own. They form, evolve, and occasionally merge, creating stunning visual spectacles. Our very own galaxy, the ...

The answer: There are approximately 2,000,000,000,000 galaxies in the universe – that’s 2 trillion. Astronomers don’t know ...

NASA's James Webb Space Telescope (JWST) has produced a new image of the Bullet Cluster, which is a titanic collision between ...