NASA’s Hubble Space Telescope has made a significant breakthrough in the field of astronomy by refining the age of the ...

Leavitt's work on cepheids proved invaluable for Hubble's other great finding: the expansion of the universe. While others, such as Georges Lemaître, had theorized that the universe was expanding by ...

Scientists figured out that the universe is billions of years old — after years of reading ancient rocks and dying stars, and ...

Floating high above Earth's atmosphere, the Hubble Space Telescope has captured some of the most breathtaking images ever ...

Due to its stellar activity, the galaxy has become a favorite for astronomers using the Hubble Space Telescope. Orbiting ...