Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy.

To understand how chaotic the early solar system was, we need only gaze at the moon. Its cratered surface bears the scars of ...

A breathtaking new video compresses more than a decade of deep-space observation into a few seconds, revealing the hypnotic ...

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

A planet circling at a sharp 90-degree angle to the orbits of its two host stars has now been confirmed. This discovery ...

The JWST continues to live up to its promise by revealing things hidden from other telescopes. One of its lesser-known ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

ALMA observations of carbon monoxide emission from 15 protoplanetary disks reveal a stunning variety of gas structures, ...

"I had been waiting my entire career for Webb so that we could meaningfully characterize the atmospheres of these smaller ...

Take a voyage to the stars either Saturday night or Sunday afternoon, as Symphony San Jose, under the baton of conductor Tatsuya Shimono, blasts off for "The Planets-An HD Odyssey," a concert-length ...