News Archive
Browse every article published on Spaceflight Now, from launch reports and mission previews to spacecraft development coverage. Use the filters to narrow by topic or search by keyword.
Matching Articles
529 articles
Stacking complete for SLS boosters
The twin 177-foot-tall solid-fueled boosters for the first flight of NASA's Space Launch System have been stacked inside the Vehicle Assembly Building at the Kennedy Space Center to await arrival of the rocket's cryogenic core stage, which is set for a second engine test on a firing stand in Mississippi later this month.

NASA astronaut joins Russian Soyuz crew for April flight to space station
NASA astronaut Mark Vande Hei, veteran of a 168-day stay in space in 2017-18, will join two Russian cosmonauts aboard a Soyuz spacecraft April 9 for a flight back to the International Space Station in a deal brokered through Houston-based Axiom Space, NASA and the Russian space agency announced Tuesday.

Rubins and Noguchi assemble solar array support fixtures outside space station
NASA astronaut Kate Rubins and Soichi Noguchi, a Japanese astronaut who last walked in space more than 15 years ago, ventured outside the International Space Station Friday and completed assembly of two solar array support fixtures, part of a $100 million power system upgrade.

Component fatigue caused early shutdown of Merlin engine on last SpaceX launch
SpaceX has concluded fatigue on an engine cover caused one of the nine Merlin 1D first stage engines on the company's most recent launch to shut down early during ascent, leading to the loss of the booster during an offshore landing attempt in the Atlantic Ocean, an official said Monday.

Photos: Antares rocket blasts off from Eastern Shore of Virginia
A Northrop Grumman Antares rocket powered off its launch pad at Wallops Island, Virginia, on Feb. 20 with a Cygnus supply ship heading for the International Space Station.

Stuck propulsion valve delays second SLS test-firing
A troublesome liquid oxygen valve on the Space Launch System's first flight-rated core stage will keep NASA from performing a second test-firing of the rocket's four main engines this week.

Northrop Grumman supply carrier delivers to International Space Station
A Northrop Grumman Cygnus supply ship arrived at the International Space Station on Monday with more than 8,000 pounds of cargo, including new astronaut sleeping quarters, parts for the station's toilet, and numerous biomedical and technology experiments.

Antares rocket launches heavy cargo load to International Space Station
An Antares launcher rocketed into orbit Saturday from the Eastern Shore of Virginia, deploying a Northrop Grumman Cygnus supply ship carrying nearly 8,400 pounds of cargo to the International Space Station, the the most massive collection of payloads ever flown to the research outpost on a U.S. commercial freighter.

Launch of Starliner test flight slips to no earlier April 2
The launch of the next test flight of Boeing's Starliner crew capsule has been delayed to no earlier than April 2 after workers replaced spacecraft avionics units damaged in a power surge during testing.

Photos: Sun rises on Antares rocket at Wallops Island
A Northrop Grumman Antares rocket stands on pad 0A at Wallops Island, Virginia, on a frigid morning hours before a planned liftoff with more than 8,000 pounds of cargo heading for the International Space Station.