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Nov 10, 2015 03:10 PM ET // Mark Thompson
The Halloween 'dead comet' spooked the world with its abrupt appearance, why didn't we know about it earlier?
Nov 10, 2015 07:00 AM ET // Elizabeth Howell
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.
Nov 9, 2015 01:45 PM ET // Elizabeth Howell
What's with those asteroids that are streaming dust, just like a comet? One researcher explains how this could happen.
Nov 3, 2015 08:35 PM ET // Jason Major
The spooky 'Halloween Comet' of 2015 got its close-up radar snap-shot and astronomers now hope to figure out whether or not is is a dead comet.
Nov 2, 2015 06:29 AM ET // Calla Cofield, Live Science
Asteroid 2015 TB145 passed by Earth at a range of just over 300,000 miles, placing it just outside the orbit of the moon.
Oct 23, 2015 06:36 PM ET // AFP
Ethyl alcohol and a simple sugar found on the famous comet shed light on the cosmic origins of planets like Earth.
Oct 23, 2015 10:34 AM ET // Mike Wall,
The orbit of the roughly 1,300-foot-wide object suggests it could be a comet.
Oct 21, 2015 06:46 AM ET // staff
An eccentric asteroid is expected to whiz close to Earth on Halloween.
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