Editor’s note: This story was updated March 11, 2025, to reflect a new target launch date and time. NASA’s latest space observatory is targeting a March 11 liftoff, and the agency’s PUNCH heliophysics mission is sharing a ride. Here’s what to expect during launch and beyond. In a little over a day, NASA’s SPHEREx space … Continue reading Cosmic Mapmaker: NASA’s SPHEREx Space Telescope Ready to Launch