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History of Space

This Just In
Nov 25, 2015 12:15 AM ET // Irene Klotz
A century after Albert Einstein unveiled a new concept to explain gravity, his so-called general relativity theory remains fertile ground for scientific observations and experiments.
Nov 24, 2015 06:20 PM ET // Irene Klotz
Exactly 100 years ago on Nov. 25, 2015, physicist Albert Einstein, then 36, presented a fourth and final lecture to the Prussian Academy of Sciences about his new general theory of relativity.
Nov 12, 2015 01:40 PM ET // Elizabeth Howell
What did we learn from Voyager 1? Read about the mysterious processes of Saturn and some of the secrets of its moons.
Nov 9, 2015 07:00 AM ET // Elizabeth Howell
It's tough to protect the moon from us, as a group of scientists recently found when looking at rocks collected by Apollo astronauts.
Oct 12, 2015 07:00 AM ET // Elizabeth Howell
How pretty pictures from the Apollo landings helped NASA do real science on the moon.
Sep 27, 2015 03:45 PM ET // Elizabeth Howell
Caves and meteorite strikes and more! We've learned a lot since Apollo astronauts walked on the surface over 40 years ago.
Aug 14, 2015 01:00 PM ET // Elizabeth Howell
Spacecraft landings and water evidence are just some of the cool things NASA Mars Reconnaissance Orbiter has spotted in its 10 years after launching to the Red Planet.
Jul 31, 2015 01:00 PM ET // Elizabeth Howell
There are many precious Apollo artifacts at the Smithsonian that need a little tender, loving care.
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