An hour-by-hour time lapse view of our satellite’s changing look.
Pick your favorite image for the Readers' Choice winner by midnight, January 14.
How living things draw energy from the environment may be a clue to their history.
Some of our favorite space and aviation stories from the last year.
The space agency selects a mission to Saturn’s moon and a comet sample return for possible future funding.
The Air Force has been documenting weird aerial happenings since the 1940s.
A novel way of making a living under extreme conditions.
The “jumbo jet” makes its final flight for a U.S. airline.
Another step closer to the start of space tourism.
Machines alone won’t be able to satisfy our curiosity.
In the long term, bet on the machine.
The rocket company turns a tragedy into an opportunity.
ʻOumuamua, the first known interstellar asteroid, may lead us to rethink the idea that life came here from other stars.
Reports of encounters with extraterrestrials took a turn in the 1980s. The question is why.
Andy Weir's second novel combines fun action scenes with a snoozer corporate plot.
NPR’s Planet Money podcast documents the journey of a cubesat from design to launch.
James Bond once did it without a wingsuit. But these guys did it for real.
He knows whether a drone pilot has been naughty or nice, but he also keeps the cranks off their backs.
Candy lovers aim for new heights.
What will it be like to be on the Moon?
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