In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Now, a scientist reveals the five clues that an afterlife really does exist - from UFOs to near death experiences (file photo ...

Around 13.7 billion years ago, something collapsed. It fell outward into the nothingness that stretched in every direction, ...

In an era defined by extreme geopolitical volatility, where our future as a global society feels more unpredictable than ever ...

Anaxagoras, a visionary Greek philosopher, foresaw concepts of expanding universe and multiple worlds centuries before modern ...

“We [will be able to] move quickly and map out very large areas of the sky,” adds Josh Schlieder, the telescope’s wide-field ...

Henrietta Swan Leavitt, an astronomer ahead of her time, discovered the relationship between a star’s brightness and its fluctuation period. This breakthrough allowed Edwin Hubble to measure galaxy ...

The Hubble constant is a fundamental parameter in cosmology that quantifies the rate of expansion of the universe. It is named in honor of astronomer Edwin Hubble, who discovered in 1929 that galaxies ...

American astronomer Edwin Hubble was the one who made the discovery, and it put him onto greater things. In 1919, Hubble began working at Mount Wilson and used the 100-inch Hooker telescope ...

For her pains, she was affectionately nicknamed “the mother of Hubble.” It was under her decades of leadership that observations made by the telescope helped build on Edwin Hubble’s work, showing that ...