A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

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 ...

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

A planetary nebula in Sagittarius, 3000 light-years away, features waves 100 billion kilometres high, caused by supersonic shocks from a hot star's stellar winds. Hubble's image of the Carina Nebula ...

The glittering, glitzy contents of the globular cluster NGC 6652 sparkle in this star-studded image from the NASA/ESA Hubble Space Telescope. The teeming stars of the globular cluster NGC 6544 glisten ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

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 ...

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

This NASA/ESA Hubble Space Telescope image shows a globular cluster known as NGC 104 — or, more commonly, 47 Tucanae, since ...

Carl Sagan famously said, "We are made of star-stuff," but even he didn't realize just how far that star stuff traveled ...

Stargazers around the world marked the 35th anniversary of the NASA Hubble Space Telescope Wednesday with a special challenge ...

The stars aligned for the planetarium's dome to become the backdrop for four readings of 'REDshift,' by playwright Chalmers ...