Eyewitness accounts and videos taken from across the Midwest reveal the streak of a large fireball across the daytime sky ...

EXPERTS believe nuclear weapons may be Earth’s only defence against giant planet-killing asteroids as new research shows specific space rocks can be stopped by the powerful weapons. Results ...

NASA intentionally crashed a spacecraft into an asteroid a few years ago as part of its planetary defense test. Scientists have discovered that the impact actually nudged the asteroid onto a slightly ...

Here's what scientists have now learned about the DART mission.