SPHEREx – Spaceflight Now

Study: Current, future megaconstellations risk space-based astronomy

December 12, 2025 Will Robinson-Smith

Researchers from NASA’s Ames Research Center sound alarm about current and projected impacts to observatories, like the Hubble Space Telescope and others.

NASA, SpaceX launch SPHEREx and PUNCH missions following spacecraft-driven scrub

March 10, 2025 Will Robinson-Smith

The infrared space telescope and Sun-centric missions will launch on a rideshare Falcon 9 flight from Vandenberg Space Force Base on Monday, March 10. Liftoff happened Tuesday, March 11, at 8:10 p.m. PDT (11:10 p.m. EDT, 0310 UTC).

NASA selects mission to probe the history of galaxies

February 14, 2019 Stephen Clark

NASA has selected a space telescope named SPHEREx for launch in 2023 on a mission to survey the sky in near-infrared wavelengths, collecting spectral data to study the origins of the universe and ices in our own galaxy that could help seed life on planets.

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.

Orbital ATK has no plans to phase out seldom-used Pegasus rocket

December 27, 2016 Stephen Clark

The build-up of Orbital ATK’s next air-launched Pegasus XL rocket will start in the coming weeks at Vandenberg Air Force Base in California, and while its flight in mid-2017 is the last Pegasus launcher on the manifest with a confirmed payload, company officials are confident the unique vehicle has a future beyond next year.

NASA picks candidates for new space telescope

August 3, 2015 Stephen Clark

NASA has selected three finalists for a new Explorer-class astrophysics satellite mission scheduled to launch by the end of 2020, and two of the proposals aim to fulfill similar goals to an X-ray telescope shelved after cost overruns in 2012.