A 20-foot-wide replica of the moon arrives on Long Island on April 11. Activities for the "Moon as a Sacred Mirror" monthlong ...

A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that the Milky Way is just one of many galaxies in an ever-expanding cosmos. This breakthrough led to the ...

Swarms of satellites launched by SpaceX and other companies are disrupting astronomical observations. Here's how scientists ...

Unexpected, Bright Hydrogen Emission Caught Astronomers by Surprise In the early universe, space was filled with a dense fog ...

Harvard astronomer Avi Loeb discusses how scientists trace the cosmic journey of high-energy neutrinos from the Big Bang to ...

Ancient Greek theories on the Milky Way galaxy ranged from mythology to science, with ideas from Democritus, Aristotle and ...

Planets don't get much more iconic than Saturn. But if you managed to see it through a backyard telescope right now, you wouldn't see its rings.

This Hubble Space Telescope image shows a spiral galaxy and a bright star, both in the constellation Virgo. The two celestial ...

Once its rings vanish from sight in March 2025, Saturn will look like a pale yellow sphere through most telescopes.

There are plenty of weird things floating around in space and black holes may be the weirdest. They've certainly sparked and stretched our imaginations.

Saturn's iconic rings will appear to disappear in March 2025 due to a rare ring-plane crossing event, but astronomers assure ...