The European Space Agency launched the Giotto space probe to learn more about this special comet. On July 2, 1985, the European Space Agency launched the Giotto space probe to get a close-up look ...

A new space weather sensor is heading to the International Space Station to help scientists to understand how the sun's outbursts alter Earth's upper atmosphere.

Hamburg (dpa) – Scientists in the United States are debating what to do with the Galileo space probe once it finishes exploring Jupiter and its moons by the year 2002.

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 ...

NASA's Galileo probe orbited the giant planet from 1995 to 2003 and the agency's Juno probe is currently in orbit carrying out extensive studies of Jupiter's atmosphere, its interior and its ...

Thirty years ago, astronomer Carl Sagan convinced NASA to turn a passing space probe’s instruments on Earth to look for life — with results that still reverberate today.