Stewart's "Star Trek: The Next Generation" family shared their grief and offered up poignant words to try to describe what effect he had on their lives and profession. "There's no one on this planet ...

The California Science Center's brand-new Samuel Oschin Air & Space Center — the home of NASA's space shuttle Endeavour — officially opened to the public today (Nov. 13).

Here are some of the most spine-chilling space photos to scare your pants off this Halloween.

NOAA has issued a G2 geomagnetic storm watch for Oct. 9 as the CME races toward Earth, potentially boosting the northern lights as low as Idaho and New York.

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Editor's note: This story contains discussion of astronaut fatalities and dangerous moments in human spaceflight. It was 40 years ago today (Jan. 28) that the space shuttle Challenger blasted off on ...

Space.com's Spaceflight Staff Writer and a photographer with a passion for science and exploration. He has worked the space beat since 2016, covering the evolution of NASA's commercial spaceflight ...