"The Hubble tension is now a Hubble crisis." The mystery of the Hubble tension has deepened with the startling finding that ...

Through the lens of the Hubble and James Webb Space Telescopes, scientists are zeroing in on the Hubble Constant, a vital ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

"The operations work at STScI, NASA's Goddard Space Flight Center, and other NASA contractors is funded by the operational ...

NASA's Hubble Space Telescope has provided unprecedented details about the Andromeda galaxy's history and characteristics.

Incompatible values are determined for the speed at which the universe expands. Now the mysterious discrepancy deepens.

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with ...

Astronomers have released the most comprehensive photograph of the Andromeda galaxy, which contains over 200 million stars.

Watch the mesmerizing Tarantula Nebula video captured by the Hubble telescope, showcasing the most productive star-forming ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Astronomers warn that proposed changes to the space observatory's operational budget could decrease the amount of ...