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

NASA's OSIRIS-REx mission is scheduled to return samples of Asteroid Bennu to Earth. Credit: NASA Goddard Space Flight Center ...

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

"We don’t know where they are,” said NASA’s planetary defense officer Kelly Fast at the AAAS conference in Arizona this week.

This is the definitive ranking of the best alien invasion movies of all time. In between those bookends, Lifeforce is one of the wildest, most unique, most incredible science fiction movies almost ...

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

In Christian theology, Christ engaged in the ultimate act of empathy. He didn’t imagine what it would be like to live as a man — he became one. Our own desire for empathy, for ourselves and our ...

NASA experts are raising alarms about the growing threat posed bynear-Earth asteroids, with some of these objects having the ...

A NASA planetary expert has revealed that humankind has no way to protect against a city-killer asteroid if it were to head ...

NASA scientists recently expressed alarm over the potential threat posed by approximately 15,000 undetected asteroids capable ...

41 years later, the groundbreaking sci-fi cult classic, The Last Starfighter, is getting an official sequel. Read on for more.