Aerospace

A Saskatchewan farmer’s near miss with potentially lethal debris falling from orbit highlights the skyrocketing risks and murky politics of space junk

On its first crewed flight, troubling technical glitches with Boeing’s Starliner spacecraft have left two astronauts in limbo onboard the International Space Station

Warming temperatures are likely to mean that more of your plane ride will have rocky conditions, creating potentially dangerous situations

After the spectacular success of the first-ever “Marscopter,” mission planners have soaring ambitions for follow-up flying machines

Hydrogen could help make flying greener, but switching away from fossil fuels poses some hefty challenges

Rotating detonation engines developed by NASA and others could spark a rocketry revolution

We should return samples from Mars to answer fundamental scientific
questions. That could mean stretching out the mission to keep NASA’s
other projects intact

Amid rising numbers of cyber threats, safeguarding our satellites is no longer optional but a necessity for global security and reliability

Sean Kirkpatrick looked into the skies and deep into government archives for extraterrestrials. What he found is, to him, more concerning than little green men.

A forthcoming investigational report from an office of the Pentagon has found no evidence of aliens, only allegations circulated repeatedly by UFO claim advocates

What lessons does the loss of the Titan submersible have for preventing spaceflight disasters?

Researcher Debbie G. Senesky builds materials that can work on Venus