Richard Branson is officially the first billionaire to take off for space
Branson's Unity-22 flight ushers in an era of space tourism
NASA's Ingenuity helicopter achieves the first flight on another planet
30 seconds of flight on Mars is a universe-wide first
Smoke pollution disrupts the flight of painted lady butterflies
The longer the butterflies are exposed to smoke, the slower they fly
A version of this article originally appeared on Kaiser Health News
The lifesaving transplant organ you're waiting on may go missing in transit
A new investigation finds that many organs are critically delayed while being shipped on commercial airliners
This tiny fly is teaching the Air Force new aerial tactics
The robber fly's novel hunting tactics and visual processing capabilities could be applied to drones and airplanes