For life to develop on a planet, certain chemical elements are needed in sufficient quantities. Phosphorus and nitrogen are ...

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

Updated measurements from NASA’s Juno spacecraft could help researchers better understand the planet's mysterious interior, ...

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

Hubble observations reveal a giant, turbulent planet-forming disk that may reshape theories of how planetary systems develop.

This weekend, six planets are set to share the sky in a rare “planet parade,” giving stargazers a short but magical window to ...

NASA scientists are suddenly turning their attention to Uranus, a planet long neglected and still largely unexplored.

Jupiter is the largest planet in our Solar System and the fifth planet from the Sun. It is a massive gas giant made mostly of hydrogen and helium, the same elements that form stars.

Stokey’s Solar Walk transforms the revetment between Bonchurch and Wheelers Bay into a to-scale model of our planetary neighbourhood.

Mercury, Venus, Neptune, Saturn, Uranus and Jupiter will appear together shortly after sunset on Feb. 28 — but is this the ...

This post features biographies and notable quotes from oral history interviews with planetary geophysicist Lynnae Quick, ...

V1298 Tau links swollen young worlds to the compact planets that astronomers keep finding, and its timing signals made that ...