On March 8, 1979, NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. [‘On This Day in Space’ Video ...
Ganymede's auroras splinter into small, bright patches — structures that mirror features seen in Earth's own auroral displays ...
A waxing gibbous moon and brilliant Jupiter will pair up after sunset on Feb. 26.
IT is ten past midnight as I watch a rocket blasting off and lighting up the sky for miles as it begins its mind-boggling ...
New spacecraft data from Pioneer, Voyager and Juno show that Jupiter is slightly smaller and more flattened than earlier estimates, refining the planet’s measured size and shape.