The planets are visible throughout February, "but they’ll be lined up best toward the end of the month,” NASA says.

With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...

A distant planet’s final spiral into its star reframed Earth’s fate: not one sudden end, but long quiet thresholds over deep time.

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 ...

Six planets—including Venus, Jupiter, and Mercury—will line up in the sky. Here’s the best time to watch and where to find clear views.

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

NASA’s Juno spacecraft has reshaped key ideas about Jupiter. Data collected during the probe’s polar orbits reveal a planet with jet streams plunging thousands of kilometers deep, a lopsided magnetic ...

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

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Illustration of the Earth-like exoplanet Proxima Centauri b orbiting the star Proxima ...