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Hyperactive comet is a spiky mystery

HOUSTON – Comet Hartley 2, the icy "space drumstick" photographed by NASA's Deep Impact spacecraft last year, is an active object that still perplexes scientists as it travels through the solar system.Full story

Artificial Crater on Comet Spotted in New Flyby Photos

An artificial crater on the comet Tempel 1 created nearly six years ago by a NASA spacecraft takes center stage in a flood of new photos released late Tuesday (Feb. 15) after another probe revisited the comet. Full story

NASA probe returns to the scene of a comet crash

NASA has released the first photos of Comet Tempel 1 taken by its Stardust probe, showing the icy wanderer in the distance as the spacecraft drew nearer for a closer look. Full story

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Comet Hartley 2 looks like .. a pickle?

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Related Photos

Two images of Tempel 1
Two images of Tempel 1

These images show the area affected by the impactor released by NASA's Deep Impact spacecraft in July 2005. On the left, the image from Deep Impact shows a dark mound about 50 meters in size. It is inside a yellow circle that shows the area hit by Deep Impact's impactor.The image on the right, newl

Comet Hartley 2
Comet Hartley 2

A contrast-enhanced image captured during the Deep Impact probe's flyby shows a cloud of icy particles flying off from Comet Hartley 2's nucleus.

Graphic of Deep Impact orbital path Nov. 4, 2010
Graphic of Deep Impact orbital path Nov. 4, 2010

This graphic depicts the orbital path of NASA's Deep Impact spacecraft for its Nov. 4, 2010 rendezvous with Comet Hartley 2 as part of the EPOXI mission.