Planets are born, and they can also "die." So what's the lifespan of a typical planet?

Look west just after sunset from this weekend for a chance to see some of six planets, though the best views will be had ...

Of the thousands of single-star systems in our galaxy, around 10% are known to have planets. Scientists thus expected about ...

Stargazers, get ready for a celestial show! A planetary alignment featuring six planets will be visible in late February and early March 2026. Here's how to see it.

The fourth planet in the system is a rocky world, while the second and third ones are gas planets.

Gas giants possibly developed slowly in the solar system. They developed cores layer by layer within a disk of ice and dust ...

Yes, there will be six planets above the horizon on Feb. 28, 2026. No, you won't be able to see them with the naked eye. But ...

Explore the visibility of Mercury, Venus, Jupiter and Saturn in February 2026. Discover observation dates, locations and details based on Space.com and NASA data.

General relativity helps explain the lack of planets around tight binary stars by driving orbital resonances that eject or destroy close-in worlds. This process naturally creates a “desert” of ...

A closer look at the planets around a star called LHS 1903 may just flip our understanding of how planetary systems form.

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four massive but extremely low-density worlds orbiting the star appear to be ...

Learn why only 14 out of over 6,000 exoplanets orbit two stars, and how Einstein’s general theory of relativity may be to blame.