According to NASA, a low Earth orbit (singular) is any orbital trajectory that stays within 1,200 miles (2,000 kilometers) of Earth's surface. There's also a practical inner boundary to LEO space ...

NASA announced the 2025 class of astronauts, and it includes someone who already is a record-breaking astronaut.

In a significant move to challenge Elon Musk’s Starlink, Russia is accelerating the development of its own satellite internet ...

SpaceX has filed a formal application to the Federal Communications Commission (FCC) for permission to launch thousands of ...

Lockheed Martin said Sept. 22 that it has completed delivery of the 21 spacecraft for this mission. The company is building ...

The NASA Interstellar Mapping and Acceleration Probe (IMAP), along with secondary payloads, is scheduled to launch aboard a Falcon 9 on Wednesday, Sept. 24, from Launch Complex 39A (LC-39A) at the ...

With 14,000 pieces of space junk floating in LEO, scientists need a safe, reliable, and affordable way to do some clean ...

Your body's blood-making stem cells, hematopoietic stem cells (HSC), are like factory managers who work best when calm and ...

Taiwan's space chief Wu Jong-shinn says the "clock is ticking" for the democratic island to launch its own satellites to ...