Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

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

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

See composite views of the Cartwheel Galaxy captured by the James Webb Space Telescope. The galaxy is 500 million light years ...

A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.

Scientists have discovered an impressive galaxy using NASA's Hubble Space Telescope, which has six more rings than other previously known galaxies and an arrow-like feature straight through its center ...

The big picture: NASA's Hubble Space Telescope has captured an extraordinary cosmic event that astronomers are calling the "Bullseye." The massive galaxy LEDA 1313424 has been observed with an ...

New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

A nebula that neighbors the Milky Way galaxy happens to be a powerhouse of forging stars, "a bouquet of thousands of stars in ...

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

Researchers using NASA’s James Webb Space Telescope have finally solved the mystery of how a massive galaxy cluster is ...