‘City-Killer’ Asteroid Threat: Could thousands of undetected space rocks hit Earth? Here’s what’s keeping NASA Scientists awake at night

Space agencies maintain that global cooperation and sustained investment are vital to planetary defence. While the DART ...

NASA scientist warns there’s no way to stop thousands of city-killing asteroids from striking Earth: ‘It keeps me up at night’

She’s worried about the a-rock-alypse. A planetary defense expert is warning that humanity is defenseless against up to 15,000 undetected near-Earth asteroids that have the potential to take out a ...

What Are ‘City-Killer’ Asteroids And Why Do NASA Experts Say They’re Dangerous?

NASA experts warned that human beings are vulnerable to thousands of hidden “city-killer” asteroids. A new space telescope ...

Are 'city-killing asteroids' a threat? See what experts are saying

Scientists discussed the threat of asteroids at a recent conference in Phoenix. Here's what they said.
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A kilometer-wide asteroid will make its closest pass by Earth this week

An asteroid estimated to be a kilometer (3,451 feet) wide will fly by Earth on January 18. The video in the media player above is from a related report. It will pass within 1.2 million miles of our ...

NASA scientist's terrifying warning asteroid 'we know nothing about' could wipe out city

A top astronomer responsible for defending the Earth against asteroids has revealed what keeps her up at night — thousands of “city killer” space rocks that remain undetected. Dr Kelly Fast, NASA’s ...
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NASA Says It Cannot Stop 15,000 Undetected Asteroids Coming Toward Earth

NASA planetary defense experts warn that up to 15,000 undetected asteroids could devastate a major city on Earth.
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NASA flags an asteroid with a potential Earth-impact trajectory

NASA flags an asteroid, the odds shift, and better tracking usually turns worry into a clean miss. The system improves each time.!