This image provided by NASA/European Space Agency shows an image captured by Hubble of the interstellar comet 3I/ATLAS on July 21, 2025, when the comet was 277 million miles from Earth. (NASA/European ...

The Hubble Space Telescope captured this color closeup of comet C/2020 F3 NEOWISE on August 8. Jets of dust and gas blast out on either side of the comet's center or nucleus when ice below the surface ...

Whether it’s a surprise asteroid, colorful aurora or a heart-stopping eclipse, the landscape of the night sky is constantly changing. When a new visitor appears in view, it’s guaranteed to grab the ...

Stargazers in the Northern Hemisphere should enjoy every opportunity to see the new Comet NEOWISE as it streaks across the evening sky for the rest of July. Once it disappears from view, the comet ...