The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

The Hubble Space Telescope celebrates 36 years of incredible discoveries, stunning imagery, and a lasting impact on astronomy ...

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

Our current understanding of our universe's age comes from two independent methods: observing the Cosmic Microwave Background ...

The Hubble Space Telescope was designed to free astronomers of a limitation that has plagued them since the days of Galileo—Earth's atmosphere. Shifting air pockets in the atmosphere block and distort ...

NASA's Hubble Telescope captured the rare phenomenon of a comet breaking apart, catching scientists off guard until they saw ...

NASA's Hubble Space Telescope has captured a rare cosmic moment: a comet breaking apart in real time.

A novel theory suggests that the current expansion rate of the universe is not fixed, but was in fact quite different in the ...

A team of astronomers from NASA have detected several strange and unexplained "little red dots" that are travelling through ...

In an incredibly lucky cosmic accident, NASA’s Hubble Space Telescope captured a comet breaking apart in real time—something ...

A team using the NASA/ESA Hubble Space Telescope has uncovered a new type of astronomical object—a starless, gas-rich, dark-matter cloud that is considered a "relic" or remnant of early galaxy ...