A photo allegedly showing the Helix Nebula and that was said to have been captured by NASA's Hubble Space Telescope was ...

An unusual planetary system with three known ultra-low density 'super-puff' planets has at least one more planet, according to new observations.

Each Monday, I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere ...

December's night sky offers Venus and a crescent moon shining together as the planet emerge after sunset and a “Cold Beaver ...

Jupiter reaches opposition; meanwhile, the star Canopus shines bright and the constellation Pictor offers many gems to view.

Backlit wisps along the Horsehead Nebula upper ridge are being illuminated by Sigma Orionis, a young five-star system just off the top of this image from the Hubble Space Telescope. This image ...

This NASA/ESA Hubble Space Telescope image features a spiral galaxy, named UGC 10043. We don’t see the galaxy’s spiral arms because we are seeing it from the side. Located roughly 150 million ...

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The Hubble Space Telescope imaged this lonely spiral galaxy called UGC 9391. The galaxy resides 130 million light-years from Earth in the constellation Draco near the north celestial pole.