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

By Will Dunham WASHINGTON, Feb 14 (Reuters) - Astronomers have observed a planetary system that challenges current planet ...

Stargazers, get ready for a celestial show! A planetary alignment featuring six planets will be visible in late February and ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

New research suggests Einstein's general relativity explains the rarity of planets orbiting two suns. In tight binary systems ...

Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

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.

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four ...

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 ...

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how planets form.

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.