Very massive stars are cosmic "rock stars" that live fast, die young and leave black holes in their place. During this ...

And astronomers have a brand-new, superpowerful eye with which to see the changing cosmos: the Vera C. Rubin Observatory in Chile. The Rubin Observatory released its first images last week, and ...

NASA's newest astronomical instrument, the X-ray Imaging and Spectroscopy Mission (XRISM), launched into orbit last September ...

Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

The Hubble Space Telescope is making waves again, this time for a snapshot of a spiral galaxy located 250 million light-years ...

A new quantum recipe for black holes could be the first step toward a theory of "quantum gravity", the "holy grail" of ...

How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a ...

New observations support the idea that hot, diffuse threads of gas called cosmic filaments connect clusters of galaxies ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

NASA compares the universe's biggest black holes with "each other and to our solar system," in this Goddard Space Flight Center animation. Credit: NASA's Goddard Space Flight Center Conceptual Image L ...

Light from the spiral galaxy UGC 11397 in Lyra took 250 million years to reach Hubble, capturing a glimpse of the distant ...