Caltech – Spaceflight Now

February 22, 2026

Breaking News

[ February 21, 2026 ] SpaceX’s most-flown Falcon booster launches on record 33rd flight Falcon 9
[ February 21, 2026 ] NASA’s Artemis 2 rocket hit by new problem expected to bump moonshot into early April Artemis
[ February 20, 2026 ] Falcon 9 launches 25 Starlink satellites after weather delays Falcon 9
[ February 20, 2026 ] Moon mission fueling test concludes with no major problems Artemis
[ February 19, 2026 ] Independent report sharply criticizes NASA management, Boeing for troubled Starliner flight Mission Reports

NASA’s first interplanetary smallsats may struggle to stay under cost caps

August 5, 2019 Stephen Clark

The first set of proposals for a new class of small robotic probes NASA wants to dispatch across the solar system came in with higher cost estimates than agency officials expected, a NASA manager said Sunday.

Q&A with Jamie Bock, principal investigator of NASA’s SPHEREx mission (members only)

February 14, 2019 Stephen Clark

Jamie Bock, a professor of physics at Caltech, is principal investigator of the SPHEREx astrophysics mission selected by NASA on Feb. 13 as the next medium-class mission in the agency’s line of Explorer probes.