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

The International Space Station (ISS) started 2025 with a long-awaited return to EVA activities from the United States ...

Hubble has previously imaged the same nebula, with an image released in 2023 and another shared in 2020. You might also recognize the name of this nebula as it was made world famous when the James ...

The Minor Planet Center in Cambridge, Mass., officially registered the new space rock Jan. 2, saying it was spotted hurling ...

Astronomers have detected fast-repeating radio bursts from a distant "dead" galaxy that should not contain the energy to produce these types of signals.

Astronomers have discovered two strange objects that could be young stars — except they're completely surrounded by ice.

Astronomers have discovered two strange objects that could be young stars — except they're completely surrounded by ice.

The U.S. Postal Service has issued two new stamps featuring iconic images from NASA’s James Webb Space Telescope. The stamps, ...

The James Webb Space Telescope has revolutionized astronomy in just three years. A new project celebrates its impact on the study of exoplanets, worlds beyond the solar system.

The James Webb Space Telescope has given astronomers groundbreaking insight into a new type of planet described as unlike ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Astrophotographers use sophisticated imaging technology to take and edit photographs that bring us the cosmos with startling ...