"This discovery was partly serendipity! But, we believe there are many more such opportunities hidden in Hubble data." ...

Betelgeuse companion discovery with Gemini North resolves century-old mystery and opens new doors in red supergiant research ...

Yerkes Observatory near Lake Geneva is more than 125 years old, is the site of numerous scientific discoveries, is home the ...

Here are 7 stunning images of deep space and distant galaxies, all captured by NASA’s powerful telescopes. These photos show ...

Hubble's new image of galaxy cluster Abell 209 reveals over 100 galaxies and gravitational lensing effects from dark matter ...

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda galaxy. Zoom in and explore.

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory reveals how the dark matter is distributed.

A previously unexplored globular cluster glitters with multicolored stars in this NASA Hubble Space Telescope image. Globular clusters like this one, called ESO 591-12 or Palomar 8, are spherical ...

The Hubble Space Telescope spies a stellar nursery in the Taurus Molecular Cloud nebula.

Schiaparelli was looking at Mars through a telescope that had a 22-centimeter lens, pretty high-tech for its time but that's only about 20 times bigger than the lens in our eye.

Webb telescope helps refine Hubble constant, suggesting resolution to long-standing expansion rate debate by Louise Lerner, University of Chicago edited by Lisa Lock, reviewed by Robert Egan ...

Decades of stunning images have continued to spark our imagination thanks to 35 years of the Hubble Space Telescope.