NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our ...

And yet, this was the case with Galileo’s discovery of Jovian satellites, which took shape from January 7, 1610. Astronomical changes were brewing at the end of 1609. With the telescope having ...

On this date, Jan. 7, 1610, astronomer Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant stars, Galileo’s repeated ...

“Their discovery is credited to Galileo, but they were possibly discovered at the same time by Simon Marius—and it’s his names for the moons that have stuck,” said Dexter. Since their 1610 ...

Since its discovery in 1610 by Galileo, the rings of Saturn have enchanted us for centuries. Remarkably, we've visited Saturn before. Stunning photographs taken from the Cassini space probe have ...