Electrons oscillate around the nucleus of an atom on extremely short timescales, typically completing a cycle in just a few ...

Sierra Space, a leading commercial space company and defense tech prime that is Building a Platform in Space to Benefit Life on Earth®, announced toda ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

Sierra Space’s patented VORTEX technology enables efficient and stable combustion while providing active cooling for the combustion chamber, ensuring high performance and reliability.

After a winter storm brings snow, ice to several states, Mississippi will see Arctic air from the polar vortex for a few days ...

Sierra Space Upper Stage Vortex Engine Moves To Next Phase is published in Aerospace Daily & Defense Report, an Aviation Week Intelligence Network (AWIN) Market Briefing and is included with your ...

Harsh weather moved west as a polar vortex was expected to grip the Rockies and the northern Plains after winter storms pummeled the eastern U.S. over the weekend, killing at least 10 people, ...

Widespread, record-breaking cold temperatures are expected from now through Friday. Numerous daily records are likely to be ...

According to Billy Gardell, his humor is quintessentially Pittsburgh. “My work ethic comes from there, and so I’ve been ...

Sierra Space, a leading commercial space company and defense tech prime that is Building a Platform in Space to Benefit Life on Earth ®, announced today the successful completion of the test ...

Composed of highly polished stainless steel, the sculptures of Zheng Lu appear suspended in both space and time.