( NewsNation) — A NASA scientist is warning that Earth currently has no reliable way to stop thousands of so-called “city-killing” asteroids that could one day strike the planet — a reality raising ...

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NASA estimates that roughly 25,000 near-Earth asteroids measuring at least 140 meters across orbit in our planetary neighborhood, but surveys have so far cataloged only about 40% of them. That gap ...

If executed at the scale, Musk's orbital data center plan could have devastating effects on the environment and the ...

This discovery has drawn interest from both professional researchers and skywatchers because comets are ancient remnants from the early formation of ...

Scientists classify asteroids measuring 140 metres or more as "city-killers" because of the scale of destruction they can unleash ...

I make a lot of textiles.” The artist, who turned 50 last year, has an easy-going, humorous air — one that perhaps signals her career as a teacher (she is a professor of sculpture at the University of ...

A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.

A NASA scientist has warned that thousands of city-killing asteroids could strike Earth, and there’s currently no defense humanity could use to stop them.

NASA officials warn thousands of undetected “city killer” asteroids may be circling near Earth. With limited deflection tools ready, are we prepared if one suddenly shifts onto a collision course?

NASA planetary defense experts warn that up to 15,000 undetected asteroids could devastate a major city on Earth.