News

Mars spacecraft safe after fortuitous comet encounter

20 October 2014 Stephen Clark

A fleet of robotic spacecraft orbiting Mars got a front row seat to space history Sunday and lived to tell about it, giving scientists their first close-up look at a comet fresh from a cloud of primordial mini-worlds at the outer reaches of the solar system.

News

Mars probes will hide from comet dust

17 October 2014 Keith Cooper

This Sunday, a comet will come closer to Mars than any other comet has ever been seen to approach a planet without actually hitting it, sending our assorted spacecraft orbiting the red planet running for cover.

News

Mars versus the comet

17 October 2014 Keith Cooper

A flotilla of spacecraft orbiting Mars will be turning their instruments in two directions – one towards Comet Siding Spring, and the other towards Mars itself, to find out what happens when a planetary atmosphere brushes against the fuzzy atmosphere of a comet.