NASA

The SLC-40 upgrade has been spurred by SpaceX’s plans to launch the Starship Super Heavy from Kennedy Space Center’s Launch Complex 39B, but NASA had concerns.

The mission, known as USSF-52, will be the seventh for the two-vehicle fleet of Boeing-built X-37B Orbital Test Vehicles.

After four years of assembly and decades of study and planning, Sierra Space’s Dream Chaser spaceplane is ready for prelaunch environmental testing.

Bulgaria is set to become the 32nd signatory to the Artemis Accords.

Follow-up imagery from the NASA Lucy mission’s recent encounter with the main belt asteroid Dinkinesh has revealed a surprise.

Nearly 2,000 cubesats have been launched in the past 20 years.

The demo would be led by the Space Technology Mission Directorate.

NASA has rescheduled the planned launch of an International Space Station resupply mission from Nov. 7 to Nov. 9 because of a nitrogen tetroxide oxidizer leak.

Retired U. S. Navy Rear Admiral Thomas K. Mattingly II, who served as NASA’s Apollo 16 mission command pilot and went on to lead two space shuttle missions, passed away on Oct. 31

The SwRI's Alan Stern and two other paying passengers joined a Virgin Galactic crew for a short suborbital hop on Nov. 2.

Highly anticipated data from the Nov. 1, 12:54 p.m. EDT flyby will take up to a week to reach the Earth over NASA's Deep Space Network.

Two NASA astronauts executed a spacewalk outside the International Space Station’s U.S. segment on Nov. 1.

An upcoming resupply mission to the International Space Station will include payload for an effort to bioprint heart tissue.

The original launch date for IM's Nova-C lunar lander—from NASA’s Kennedy Space Center atop a Falcon 9 rocket—was planned for as soon as mid-November.

NASA is planning a payload resupply mission to the International Space Station.

Two cosmonauts spent the early portion of their spacewalk outside the ISS Oct. 25 dealing with the latest in a series of Russian segment external coolant leaks.

Scientists suspect a metal asteroid the mission will explore may be the remnant of early planet.

The QuickSounder is the first in a new generation of small, low-Earth-orbit satellites for weather and climate-change observations.

The company is developing a large spacecraft to transport, host, refuel and provide data and other services for multiple payloads.

Axiom Space is nearing completion of its Hab One pressure vessel.

NASA is addressing two issues with its 1970s-era Voyager 1 and 2 deep space probes.

NASA intends to develop a spacecraft that will rendezvous with, refuel and relocate Landsat 7, an Earth-observation satellite, to extend its life in LEO.

Carbon cycle benefits of SAF are known, but will it help reduce the formation of persistent contrails? A Boeing and NASA flight test looks to find out.

NASA’s Science Mission Directorate is working to address recent concerns about cost and technical challenges associated with a Mars Sample Return mission.

Berkeley Space Center, unveiled Oct. 16, could see employment for more than 6,000 researchers and developers in astronautics, quantum computing and more.