NASA's Chandra X-ray space telescope has captured a breathtaking image of the neighboring Andromeda galaxy, in a tribute to ...

Dinosaurs may have gazed upon a sky subtly different from our familiar blue, according to NASA scientist Jessie Christiansen.

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

NASA's Chandra Observatory has combined different wavelength images of the Andromeda galaxy to honor astronomer Vera Rubin, ...

A new generation of black hole research is unfolding thanks to artificial intelligence, massive simulations, and cutting-edge ...

A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before ...

Sweeping views of nebulae and dancing galaxies prove the telescope’s enormous field of view and ultra-high-res capabilities.

Disk galaxies, like our own Milky Way galaxy, commonly consist of both a thick and thin disk of stars—each with different ...

The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about ...

The night sky in July a phenomenon that reminds skywatchers how remarkable it is just to be alive and to experience such ...

A surprising new look at the Milky Way has scientists rethinking everything we thought we knew about our home galaxy. Thanks ...

Published on June 23 first images of the new Vera Rubin Observatory, showing more than 10 million galaxies around the Virgo ...