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Space Exploration1342 articles archived since 1845

Little Galaxy Keeps Churning Out Stars

The recently discovered small galaxy Leo P contains only about a hundred-thousandth as many stars as the Milky Way, but it's bucking the small galaxy trend by continuing to make new ones  ...

November 15, 2015 — Ken Croswell and Steve Mirsky
The Failure of Phobos

The Failure of Phobos

A new explanation for the strange grooves on the surface of the martian moon Phobos suggests that the entire satellite already shows signs of how it will eventually be destroyed.

November 12, 2015 — Caleb A. Scharf
The Moons of Pluto: Our First, and Possibly Last, Family Portrait

The Moons of Pluto

Pluto's small moons are revealed in the latest image data and analysis from New Horizons' historic encounter—these may be the best view humanity ever gets of these distant objects

October 29, 2015 — Caleb A. Scharf

To Mars via Hawaii

Scientists begin yearlong Red Planet simulation at Mauna Loa

October 23, 2015 — Christiane Heinicke
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