Uranus emits 12% more heat than it gets from the Sun, contradicting Voyager 2 data. The discovery points to lingering formation heat and strengthens calls for a new NASA flagship mission to the ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today." ...

Scientists find Uranus radiates more heat than once believed, reshaping our understanding of giant planets and guiding NASA’s next mission.

Spot the Broken Engagement Ring asterism near Merak in Ursa Major, easily viewed with binoculars or a low-power telescope.

New Hubble Space Telescope imagery of the Saturn show it's 'ring spokes' in orbit around the gas giant planet. Credit: ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...