Hubble's discovery of expanding galaxies confirmed the universe's vastness, laying the foundation for the Big Bang theory and ...

SNR 0519 is a supernova remnant (SNR) made up of thin, blood-red shells of gas. It is the remnant of a star that exploded as a supernova about 600 years ago. This image, shows Supernova 1987a (center) ...

A Triple Star System Yields an Unusual Surviving Star Unlike our Sun, which exists alone, at least half of the stars in our ...

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

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

Hubble Space Telescope can "only see the universe in shades of grey," according to NASA's Goddard Space Flight Center. Learn ...

Early 2025 is a good time for skygazing and spotting up to seven planets in the night sky – if you have a little help.

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society ...

"The James Webb Space Telescope has been truly revolutionary- it is now hard to imagine what life was like without it!" ...

The starburst galaxy NGC 1569 glows brilliantly, illuminated by the light of millions of newly formed young stars. This image of LH63, cloaked in red, was captured by the Hubble Space Telescope and ...

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

New measurements reveal the Coma Cluster is 38 million light-years closer, worsening the Hubble tension crisis and challenging cosmology models.