The small, icy visitor now racing away from the inner solar system is not just another comet. It is an interstellar object, ...

Interstellar comet 3I/ATLAS is giving astronomers a rare, close look at material that formed far beyond our planetary ...

Strange cosmic objects spotted by NASA's James Webb Space Telescope (JWST) are presently puzzling astronomers. The odd ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

Now, a new Nature study points to an answer by catching four planets at a stage most systems never show us: The awkward, ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

PRO TIP: Add your old phone for a handy size reference.

Tesla, Inc. engages in the design, development, manufacture, and sale of electric vehicles and energy generation and storage systems. It operates through the Automotive and Energy Generation and ...