Add Yahoo as a preferred source to see more of our stories on Google. This view of Comet Halley's nucleus was obtained by the Giotto spacecraft as it passed within 600 km of the comet nucleus on March ...

The comet was not at its closest point to Earth on the days that Twain was born and died. Dubbed a "weird but perfect ending," the death of American writer Mark Twain had the same adventurist ...

Halley was a prolific polymath whose scientific contributions extended beyond the comet bearing his name, encompassing early celestial mechanics, studies of terrestrial phenomena like tides and ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. One of the most famous comets is heading back in the direction of ...