NASA plans to try again on March 18 to fire up the four Aerojet Rocketdyne RS-25 engines on the Space Launch System core stage for a critical integrated test ahead of the booster’s debut flight in late 2021 or early 2022.

Nanoracks has proclaimed its benchmark Bishop airlock, which was launched to the International Space Station (ISS) in December, “open for business” and ready to commercially support science experiments, spacewalks and equipment transfers on the exterior of the orbiting science lab.

NASA has contracted with Axiom Space to acquire a seat aboard Russia’s Soyuz MS-18 for a NASA astronaut to launch to the orbiting science lab on April 9.

The U.S. Space Force and the National Reconnaissance Office on March 9 awarded task orders worth a total of $385 million to SpaceX and United Launch Alliance (ULA) for four upcoming launches, Space and Missile Systems Center (SMC) said in a statement.

NASA on March 5 released a solicitation for launch services to send its Europa Clipper spacecraft on its way to the water-rich moon of Jupiter, a ride once earmarked for the agency’s own Space Launch System rocket. 

NASA’s Mars rover Perseverance has made an initial 21-ft. test drive in its Jezero Crater landing site as flight controllers continue instrument checkouts and scout a location for a flight demonstration by a companion miniature helicopter.

Comet impacts during the Solar System’s planet-forming period about 4.5 billion years ago may have delivered the carbon essential for life to the rocky planets in the Sun’s habitable zone, according to a new study of the comet Catalina.

U.S. and Japanese spacewalking astronauts Kate Rubins and Soichi Noguchi joined outside the International Space Station on March 5 to complete modifications to two of six solar power channels on the orbital science lab’s long support truss due to be equipped with new ISS Roll Out Solar Arrays over the coming year.