(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 ...

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 ...

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 ...