Transportation

a massive airplane mid-flight. a smaller hypersonic aircraft is attached to its underside
Aerospace
Watch the world’s largest plane drop a hypersonic aircraft
Aerospace company Stratolaunch has dropped a hypersonic aircraft from its record-breaking Roc launch platform for the first time.
Kristin Houser
two of waymo's autonomous cars in a lot
Transportation
Fully self-driving cars are finally available on Uber
Uber has teamed up with robotaxi operator Waymo to make rides in fully autonomous cars available to its customers.
Kristin Houser
an AV in the Arizona desert
Transportation
Autonomous public transportation rolls out in Arizona
Sun City, Arizona has launched a free transit system featuring self-driving cars for its retirement-age residents.
B. David Zarley
hydrogen fuel
Aerospace
Rolls-Royce tests its first hydrogen-powered plane engine
Kristin Houser
electric tricycle
Transportation
This amphibious electric tricycle (and camper) costs $14,600 
Kristin Houser
Outer Space
The technology we (or aliens) need for long-distance interstellar travel
Adam Frank
Cars
Stanford engineers warn that electric car charging could crash a grid powered by renewable energy 
Ross Pomeroy
Healthcare
Walking to school is more likely to keep kids active as they age
Megan Schumann
Transportation
Electric planes are coming: Short-hop regional flights could be running on batteries in a few years
Gökçin Çınar
Physics
Paradox-free time travel is “logically” possible, say physicists
Kevin Dickinson
California officials and construction workers gather at a podium with signs saying "More Homes Faster," "Build Homes Now," etc.
Urban Living
“Up to 2.4 million new apartments” legalized by bipartisan California legislation
Toby Muresianu
Aerospace
Air Canada orders 30 electric-hybrid aircraft for takeoff in 2028
B. David Zarley