Startup Dark Fission Space Systems announced plans on March 22 to build and demonstrate a nuclear thermal rocket engine in orbit within five years.

A Canadian satellite recently came “dangerously close” to another nation’s satellite, a Canadian Space Agency official says.

NASA plans to extend its Human Landing System contract with SpaceX to cover a second crewed landing on the Moon and launch a parallel procurement leading to a second commercial provider for crewed transportation services to and from lunar orbit and the lunar surface.

Maintenance and upgrades were the focus of a nearly 7-hr. spacewalk conducted by two astronauts outside the International Space Station on March 23.

Propulsion startup Ursa Major on March 23 announced the delivery of its Handley engine to two separate customers for two different uses.

NASA has not given up on the idea of creating artificial gravity for astronauts on long-duration space missions despite the many technical challenges associated with it, according to the agency’s space operations chief.

Viasat is still working to restore internet to some of its users after a suspected Russian cyberattack took thousands of KA-SAT satellite terminals in Europe offline starting Feb. 24.

Isotropic Systems has completed all tests demonstrating that its GM2000 series military standard satellite terminal can track and link to satellites in multiple orbits from a single, solid-state, software-defined communications platform.