On July 25, 2015, the near-Earth asteroid 1999 JD6 -- a 'contact binary -- made its closest pass of Earth in at least over a century.
The primordial planet believed to have smashed into baby Earth, creating a cloud of debris that eventually formed into the moon, was chemically a near-match to Earth.
What better way to understand how to deflect an incoming asteroid than to smash into one to see what happens?
NASA plans to launch a robotic spacecraft to pick up a boulder roughly 10 feet in diameter from the surface of an asteroid and nudge it into an orbit around the moon.
Two vast underground domes are buried under central Australia that researchers have realized are the scars of the biggest and most powerful asteroid impact yet found on Earth.
NASA's Dawn mission is about to arrive in orbit around Ceres and the hunt for the dwarf planet's past (and possibly present) habitable potential is on.
NASA's Dawn spacecraft is about to make its second and final stop during its exploration of the asteroid belt and it is already returning some stunning images that are creating more questions than answers.
As NASA's Dawn mission slowly spirals in on its dwarf planet target, Ceres' alien landscape is becoming sharper by the day.
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