The hashtag took off almost immediately after the seemingly impossible landing.
Tune in Wednesday as the European Space Agency tries to land a scientific probe on a comet.
A rare meteor shower will brighten the night skies above the metro area Saturday. Learn more about where these meteorites came from and the best viewing times.
Comet ISON is headed for a close encounter with the Sun on Thanksgiving Day at 2 p.m. EST.
This week, the western sky will have a visitor
from the depths of the outer solar system: the