Venus, Jupiter and Mercury headline May's skywatching, with stunning moon pairings and a three-planet display.

A new study has identified a potentially record-breaking haul of transiting exoplanets, thanks to a machine learning ...

Astronomers now estimate there is at least one planet for every star in our galaxy. These worlds, called exoplanets, are ...

Nearly all of the planets in the solar system are about to march through the night sky in a single-file line. This planetary alignment, sometimes called a planet parade, will include all of the solar ...

NASA chief Jared Isaacman said at a US Senate hearing that he supports restoring Pluto's status as a planet after a ...

For those who enjoy viewing the night sky, a unique opportunity is just around the corner late this month. Six planets in the solar system are going to align in the western sky just after sunset.

Pluto was downgraded from a planet to a dwarf planet in 2006 by the International Astronomical Union. The main reason for Pluto's demotion is that it's not able to "clear its orbit of debris." Other ...

The global climate has changed drastically over the course of the 58 years that separate these two photographs of planet Earth.

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 ...

A rare celestial event will be taking place in the sky above California on Saturday night, as six planets are expected to be visible in what is being called a "planetary parade." Look towards the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A planet parade — mistakenly called a planetary alignment by ...