This brings Jupiter's total number of known moons to a whopping 79 -- the most of any planet in our solar system.

Astronomers have imaged a new planet, and it appears nearly identical to one of the best studied gas-giant planets.

Data collected by NASA's Juno spacecraft point to a new heat source close to the south pole of Io that could indicate a previously undiscovered volcano on the small moon of Jupiter.

NASA’s Chief Scientist, Dr Jim Green, talks to Professor Steve Squyres, who as the Principal Investigator on the Mars Exploration Rover missions Spirit and Opportunity, has been at the forefront of our exploration of the red planet for almost the last 15 years.

Since observing small exoplanets with thin atmospheres like Earth will be challenging for Webb, astronomers will target easier, gas giant exoplanets first.

New work has for the first time determined detailed chemical abundances of the star Ross 128.

The first official validated global map and topographic maps of Pluto and Charon have been published and are available to all. 

New research from NASA’s Cassini spacecraft’s up-close Grand Finale orbits shows a surprisingly powerful and dynamic interaction of plasma waves moving from Saturn to its rings and its moon Enceladus.

The evidence comes from a new study that indicates a second and much earlier “whiff” of oxygen in Earth’s distant past.

New work confirms that nitrogen, the dominant gas in Earth's atmosphere, becomes a metallic fluid when subjected to the extreme pressure and temperature conditions found deep inside the Earth and other planets.