Mission News

Illustration of Comet Harley 2 path through the inner solar system with photo of the comet taken by EPOXI on November 4, 2010 in upper right.

SOHO Watches a Comet Fading Away

SOHO and EPOXI combined forces to provide observations on Comet Hartley 2 -- which appears to be an irregular comet, belching chunks of ice and ...

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This close-up view of comet Hartley 2 was taken by NASA's EPOXI mission during its flyby of the comet on Nov. 4, 2010

Science Paper Details NASA EPOXI Flyby of Hyper Comet

NASA's EPOXI mission found that Comet Hartley 2 is a hyperactive little comet, spewing out more water than most other comets its size.

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Comet Hartley-2 venting CO2 and Water

At the Heart of Hartley-2, a New Breed of Comet?

At the heart of every comet lies a remnant of the dawn of the solar system. However, data reveals that comet Hartley-2's core is not uniform.

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Close-up view of comet Hartley 2

Flight of the Comet

This video clip was compiled from images taken by NASA's EPOXI mission spacecraft during its flyby of comet Hartley 2 on Nov. 4.

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Latest Images

Icy Particle Spray

movie showing the active end of the nucleus of comet Hartley 2

This movie made from images obtained by NASA's EPOXI mission spacecraft shows an active end of the nucleus of comet Hartley 2. Icy particles spew from the ...

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Hartley 2, Close Up

comet Hartley 2

This image from the High-Resolution Instrument on NASA's EPOXI mission spacecraft shows part of the nucleus of comet Hartley 2. The sun is illuminating the nucleus from the right. A distinct cloud of ...

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Cometary Flurries

particles swirling in a

This zoomed-in image from the High-Resolution Instrument on NASA's EPOXI mission spacecraft shows the particles swirling in a "snow storm" around the nucleus of comet Hartley 2.

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