Collaborating to build a more efficient rocket

Sal Rodriguez, a nuclear engineer at Sandia National Laboratories, is forging a rocket revolution with the help of the University of New Mexico and student Graham Monroe.

'Doomsday Clock' remains at 90 seconds to midnight

The symbolic "Doomsday Clock" was held at 90 seconds to midnight Tuesday, reflecting existential threats to humanity posed by potential nuclear escalation from the war in Ukraine and the multiplying impacts of the climate ...

'Stunning' discovery: Metals can heal themselves

Scientists for the first time have witnessed pieces of metal crack, then fuse back together without any human intervention, overturning fundamental scientific theories in the process. If the newly discovered phenomenon can ...

Tracking explosions with toughened-up tracers

What happens in an explosion? Where do the products of that explosion go following the blast? These questions are often difficult to solve. New rugged tracer particles, developed by Pacific Northwest National Laboratory (PNNL) ...

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