(CNN) --An asteroid recently rediscovered after a 50-year absence could be on a collision course with Earth, NASA astronomers reported. But the planet has 877 years and 11 months to prepare for ...

But NASA anticipated the wide chunk of rock would change course in the next ... the most likely recorded asteroid to hit the Earth. The rate places its risk of collision above Asteroid 99942 ...

The asteroid space scientists feared would hit Earth may now smash into the Moon instead. Space rock 2024 YR4 was originally calculated to have 3.1% probability of impacting our planet on 22 ...

They argue that a killer asteroid could be eased off its collision course simply by applying gravity. Their plan calls for an unmanned spacecraft called a "gravitational tractor" to hover near an ...

shortening its orbit by 32 minutes as part of the Double Asteroid Redirection Test (DART) mission to test whether asteroids could be redirected and potentially knocked off a collision course with ...

Another asteroid, 2007 FT3, has a much lower probability of collision (1 in 11.5 million) but could approach Earth on October 5, 2024. NASA reports that Earth receives about 48.5 tonnes of ...

One approach involves deploying a large fleet of spacecraft—potentially a “1,000-strong army”—to intercept and alter the path of an asteroid on a collision course with Earth. For more ...