An hour-by-hour time lapse view of our satellite’s changing look.
Cast Your Vote In Our Photo Contest
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.
12 Air & Space Stories from 2017 You Need to Read
Some of our favorite space and aviation stories from the last year.
NASA May Send a Drone to Titan in 2025
The space agency selects a mission to Saturn’s moon and a comet sample return for possible future funding.
That Secret Government Program to Track UFOs? It’s Not the First
The Air Force has been documenting weird aerial happenings since the 1940s.
These Bacteria Survive by Drawing Trace Gases From the Air
A novel way of making a living under extreme conditions.
The “jumbo jet” makes its final flight for a U.S. airline.
Blue Origin Tests Its New Vehicle, and This One Has Windows
Another step closer to the start of space tourism.
Why We Need Humans—Not Just Robots—On the Moon
Machines alone won’t be able to satisfy our curiosity.
Human Beats AI in a Drone Race, But Just Barely
In the long term, bet on the machine.
SpaceX’s Old and Improved Launch Pad Re-Opens for Business
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.
When Did Alien Sightings Turn Into Alien Abductions?
Reports of encounters with extraterrestrials took a turn in the 1980s. The question is why.
Artemis is a Step Backwards to the Moon
Andy Weir’s second novel combines fun action scenes with a snoozer corporate plot.
Just How Do You Get a Smallsat into Orbit?
NPR’s Planet Money podcast documents the journey of a cubesat from design to launch.
French Daredevils Leap Off a Perfectly Good Mountain into a Moving Airplane
James Bond once did it without a wingsuit. But these guys did it for real.
If Someone Has a Complaint About Drones, This FAA Inspector Hears About It
He knows whether a drone pilot has been naughty or nice, but he also keeps the cranks off their backs.
Let’s Make Chocolate in Space!
Candy lovers aim for new heights.
What will it be like to be on the Moon?
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