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'It's very humbling to get to work with so many smart people who are all trying to execute your vision.'

We learn constellations from diagrams that stay conveniently upright. The real sky has other ideas — as I discovered when Orion returned looking distinctly wonky.

Northrop Grumman's robotic Cygnus XL spacecraft departed the International Space Station today (Oct. 9) after a six-month stay.

On Oct. 9, 1992, a space rock the size of a bowling ball fell out of space and crash landed on a woman's Chevy Malibu in Peekskill, New York. Here's why it mattered.

A new genetically engineered microbe may one day help humanity settle Mars, a nonprofit biotechnology research startup suggests.

According to some reports, at the height of the Cold War, the Soviet Union mounted a rapid-fire cannon aboard a secretive military space station.

It's never too early to plan your Halloween outfit — here are some of the best space-themed Halloween costumes on the web.

Dark clouds swirl across a star-speckled sky as the Milky Way stretches above La Silla Observatory in Chile's Atacama Desert.

President Trump just gave Elon Musk and a handful of other tech luminaries the National Medal of Science, the highest honor the U.S. can bestow on a scientist or engineer.

"I think motherhood eventually has to become a bigger part of the conversation if we're serious when we talk about humanity having a sustained presence beyond Earth."