Hubble additionally helped confirm that the universe is ever expanding at an accelerating rate. This discovery pointed to the later theory of dark ...

From the Hubble Space Telescope launched in 1990 to the soon-to-be-unveiled Chinese Space Station Survey Telescope (CSST), ...

On Monday, NASA — in tandem with the White House — released an incredible deep-field image taken by the James Webb Space Telescope (JWST), which demonstrates how this telescope will be able to look ...

On September 11, the Hubble Space Telescope captured a stunning image showcasing the spiral galaxy NGC 7456 located in the ...

It's easy to get the impression that NASA's James Webb Space Telescope was built to outright replace what's perhaps history's most important space telescope, the Hubble Space Telescope. But because ...

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Hubble proved Andromeda is a separate galaxy by identifying a Cepheid variable star within it. Cepheid variables have a period-luminosity relationship: longer period means greater brightness. Knowing ...

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"The vivid, dramatic images of distant stars and galaxies taken by the Hubble Space Telescope have come to define how we visualize the cosmos. In their immediacy and vibrancy, photographs from the ...

The NASA/ESA/CSA James Webb Space Telescope has been exploring the cosmos for 3 years. See some of the amazing highlights.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Did we almost lose the Hubble Space Telescope this summer?