Watch: Rare comet seen from Earth for first time since Stone Age
The 'Green Comet' has an intense green hue resulting from the sun's rays and was last seen when the 'world's population fit into Cleveland.'
The 'Green Comet' has an intense green hue resulting from the sun's rays and was last seen when the 'world's population fit into Cleveland.'
NASA scientist warns that Earth is due for an 'extinction-level' event like a comet or asteroid strike and 'we won't be able to stop it.'
After 15 years, 4 billion miles and several hours of nail-biting tension, ESA's robot lander makes history with first-ever comet landing.
Stargazers can expect to see up to 200 meteorites per hour, experts say. Find out when here.