The American space agency's Dart probe has smashed into an asteroid ... across and a couple of hundred metres deep. The damage in the vicinity of the impact would be intense.

Scientists have revealed new details about the impact ... the scientific Deep Sea Drilling Project. The researchers found shifts in isotopes 100,000 years prior to the two asteroid impacts that ...

That's probably why the near-approach of an asteroid to Earth sounds scary. People tend to recall movies like "Armageddon" and "Deep Impact." Not to mention the notorious chunk of rock that hit ...