Helium is slipping into a new era of scarcity just as the world leans on it more heavily for medicine, microchips and spaceflight. At the same time, geologists are uncovering clues that very old rocks ...

Space-based solar power startup Aetherflux has thrown its hat into the emerging market for orbital data centers, joining SpaceX, Amazon and others exploring ways to move energy-hungry artificial ...

Expect Brevard County sonic booms. The Falcon 9 first-stage booster will descend for a return to Earth at Landing Zone 2, ...

Live updates from the Starlink 6-92 mission, which launched 5:26 p.m. Dec. 8 from Pad 39A at NASA's Kennedy Space Center.

A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...

NASA astronaut Jonny Kim returned to Earth on Tuesday alongside Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky ...

In an exclusive interview with Upstream's editor-in-chief, Erik Prince – now chairman of Freedom First – says his new ...

Jonny Kim of NASA and Sergey Ryzhikov and Alexey Zubritsky of Roscosmos touched down in Kazakhstan on Tuesday (Dec. 9).

Elon Musk's SpaceX is reportedly exploring going public and seeking an $800 valuation through a tender offer. SpaceX could double its valuation from where it stood earlier this year, and CEO Elon Musk ...

Fem Scouts QC is giving local women a safe space to get outside and learn about nature. Here's when their next monthly hike ...

Monday's launch from Florida was SpaceX's 158th Falcon 9 launch of the year and 510th reflight of a first stage since 2017.

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using ...