life on Earth was very different from what it is today. Only simple, single-celled organisms were present, like bacteria and archaea, and the entire planet was covered with them. Asteroid impact ...
NASA closely tracks 'near Earth objects’, with a focus on larger ... that exploded over Chelyabinsk in Russia in 2013, will hit our planet roughly every century, according to NASA's Jet ...
The recently discovered asteroid COWECP5 entered Earth’s atmosphere at around 11:15 a.m. ET (17:15 C.E.T) on December 3 and created a fireball over the sky in Eastern Siberia. According to the E ...
How do you find a comet that could pose a threat to Earth but hasn't passed our planet in the last 200 years ... the sky until it's too late and then hit the Earth. While the actual risk is ...