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Solar System

Planet or not: Pluto may settle issue this year

Planet or not: Pluto may settle issue this year

Happy Birthday to Clyde Tombaugh, who discovered the demoted planet.

February 04, 2015 10:00 am Video Photos

Photos

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Ceres may reveal the secrets of planets

Ceres may reveal the secrets of planets

Tucson scientists will interpret features of the dwarf planet and possibly a subsurface ocean.

January 26, 2015 8:15 pm Photos

Photos

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NASA telescope’s planet-hunting days may be over

NASA telescope’s planet-hunting days may be over

LOS ANGELES — NASA’s Kepler planet-hunting telescope is broken, potentially jeopardizing a mission that opened up whole new possibilities on life outside the solar system.

May 15, 2013 4:04 pmLoading…
Fitz Blog: Cosmos forgets Earth Day, planet despondent

Fitz Blog: Cosmos forgets Earth Day, planet despondent

Earth: You forgot Earth Day! Again!

April 23, 2013 11:00 amLoading…

Scientist feels tie to distant spacecraft

NASA scientist Larry Lasher feels a bit left out when people talk about Voyager 1 being on the verge of leaving the solar system.

March 31, 2013 12:00 amLoading…

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