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NASA scientists warn 15,000 unaccounted ‘city killer’ asteroids may pose severe regional threat to Earth

The National Aeronautics and Space Administration (NASA) has issued a stern warning after the agency’s head of planetary ...

Thousands of ‘city-killer’ asteroids threaten Earth... and Nasa can’t find them

Astronomers do not know where thousands of “city-killer” asteroids are, Nasa’s head of planetary defence has admitted.
News Nation on MSN

Earth has no way to stop ‘city killer’ asteroids, NASA chief warns

“What keeps me up at night is the asteroids we don’t know about," said NASA's planetary defense chief.
Tyla

NASA gives terrifying update on thousands of ‘city-killer’ asteroids that could hit Earth

NASA's head of planetary defence, Dr Kelly Fast, has issued an unsettling update on thousands of ‘city-killer’ asteroids that could hit Earth.
Greek Reporter

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.

NASA selects two Earth System Explorers missions

Two next-generation satellite missions announced Thursday will help NASA better understand Earth and improve capabilities to ...

42 years of measuring the sun, the Earth and the energy in between

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...
PRIMETIMER on MSN

Expedition 74 wraps weekend handover as SpaceX Dragon nears Earth return

Expedition 74 completed weekend handover and cargo operations aboard the International Space Station as SpaceX Dragon prepares to return to Earth, according to NASA reports.