Explore some of the more unusual pictures of Apollo 14, 45 years after it landed on the moon.
Three decades after NASA's Space Shuttle Challenger exploded shortly after lift-off, we take a look back at that terrible morning in 1986 and its powerful legacy.
This year has been filled with weird space stories, here are some of our favorites.
The search is on for the former Soviet Union's Luna 9 moon probe, which made history's first-ever successful soft landing on a body beyond Earth.
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.
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.
What did we learn from Voyager 1? Read about the mysterious processes of Saturn and some of the secrets of its moons.
It's hard work to be in space for months at a time. Read about the record-holders for America's single spaceflights -- including Scott Kelly, who just recently surpassed the previous mark of 215 days.
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