It would be cold, it would be dry, it would be unpleasant.
An asteroid as long as a basketball court will give Earth a close shave next month.
Astronomers say giant comets dubbed centaurs argue for an expansion of the list of potential hazards to our home planet.
One year to the day after lifting off, the Japanese spacecraft Hayabusa 2 paid its home planet a quick visit for a speed-boost -- taking some photos before continuing its journey.
Mars' moon, Phobos, is doomed and scientists have some new findings about its possible fate. What else do we know about Phobos?
The Halloween 'dead comet' spooked the world with its abrupt appearance, why didn't we know about it earlier?
What's next for NASA's Dawn mission as it moves closer to the surface of dwarf planet Ceres? See some of its recent work in pictures.
What's with those asteroids that are streaming dust, just like a comet? One researcher explains how this could happen.
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