NASA is suspending all but the most urgent spacewalks after water was found in an astronaut’s helmet following a previous excursion.

NASA is suspending all but the most urgent spacewalks after water was found in an astronaut’s helmet following a March excursion, agency officials said on Tuesday (May 17). NASA will perform an assessment of its extravehicular mobility unit (EMU) spacesuits after water was found in the helmet worn by European Space Agency (ESA) astronaut Matthias … Read more

Three decades of space telescope observations converge on a precise value for the Hubble constant

This collection of 36 images from NASA’s Hubble Space Telescope features galaxies that are all hosts to both Cepheid variables and supernovae. These two celestial phenomena are both crucial tools used by astronomers to determine astronomical distance, and have been used to refine our measurement of the Hubble constant, the expansion rate of the universe. … Read more

Boeing successfully launches Starliner spacecraft to orbit in do-over test flight

Nearly two and a half years after its first launch did not go to plan, Boeing’s new passenger spacecraft, the CST-100 Starliner, successfully launched to space this afternoon, reaching the right orbit it needed to achieve to rendezvous with the International Space Station tomorrow evening. The successful launch marks the beginning of a crucial test … Read more

‘Ghost’ fossils reveal tiny organisms that survived ancient ocean warming events

Looking through a powerful microscope, researchers were stunned to see the impressions left by single-celled plankton, or fossilized nannoplankton, that lived millions of years ago – especially since they were analyzing something else. “The discovery of the ghost fossils was a complete surprise,” said study author Sam Slater, researcher at the Swedish Museum of Natural … Read more

SpaceX completes 21st launch and landing of 2022

SpaceX has completed its 21st Falcon 9 launch of 2022, continuing an impressive average cadence of more than one launch per week. After an unexplained 40-minute delay from 6:20 am EDT, former Falcon Heavy booster B1052 lifted off from Kennedy Space Center Launch Complex 39A shortly after sunrise at 6:59 am EDT (10:59 UTC) on … Read more

Starliner astronauts eager to see results from crew capsule test flight – Spaceflight Now

NASA astronaut Butch Wilmore speaks with reporters Wednesday at the Kennedy Space Center. Credit: NASA / Joel Kowsky The NASA astronauts training for the first crew missions on Boeing’s Starliner spacecraft will be closely watching each step of the capsule’s unpiloted test flight to the International Space Station, set for blastoff Thursday from Cape Canaveral … Read more