WASHINGTON — ThinkOrbital later this year will attempt to demonstrate a robotic arm in space equipped with a welder gun that could be used to repair and take X-ray images of satellites. The upcoming ...

Since the 1960s, scientists who study X-rays, lightning and similar phenomena have observed something curious: In lab experiments replicating these occurrences, electrons accelerated between two ...

Interstellar comet 3I/ATLAS has gone from a faint outsider to one of the most closely watched visitors in the Solar System, and now astronomers have effectively given it X-ray vision. By turning space ...

In this visualization, the LEXI instrument is shown onboard Firefly Aerospace’s Blue Ghost Mission 1, which will deliver 10 Commercial Lunar Payload Services (CLPS) payloads to the Moon. A NASA X-ray ...