Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant ...

These massive currents carry material on a journey through and around star-forming galaxies before they settle and form stars ...

Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

New measurements show that the expansion rate of the universe is faster than can be explained by our current understanding of ...

Leo P, a small galaxy and a distant neighbor of the Milky Way, is lighting the way for astronomers to better understand star formation and how a galaxy grows. Scientists have reported finding that Leo ...

At Argonne National Laboratory, scientists have leveraged the Frontier supercomputer to create an unprecedented simulation of the universe, encompassing a span of 10 billion light years and ...

This NASA/ESA Hubble Space Telescope image peers into the dusty recesses of the nearest massive star-forming region to Earth, ...

In the years following the launch of NASA’s Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

Edwin Hubble's discovery of the expanding universe transformed cosmology, revealing countless galaxies and laying the ...

The shells of carbon-rich dust are expanding outward into space at the breakneck velocity of 1,600 miles per second.

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...