On October 29, 1991, the Galileo spacecraft flew by the asteroid Gaspra on its way to Jupiter. ‘On This Day in Space’ Video Series on Space.com Gaspra was the first asteroid to ever be visited ...

The spacecraft went into safe mode only 30 minutes after going past Amalthea. NASA said it was ready for problems, because Galileo was on its last legs, and the radiation near Amalthea was strong.

Galileo was the first spacecraft to fly by an asteroid in the asteroid belt. Ida was actually the second one it visited after another flyby of the asteroid Gaspra in 1991.

On Sept. 21, 2003, NASA's Galileo mission to Jupiter and its moons came to an end. After 14 years of exploration, the Galileo spacecraft intentionally fell into Jupiter and disintegrated in the ...

Planetary scientists have grown increasingly certain that Europa hosts a subsurface ocean ever since NASA’s Galileo spacecraft visited Jupiter in the 1990s (SN: 2/18/02). “During the Galileo ...