Sky&Telescope Magazine has released their Space Missions To Watch In 2025 (thank you to AIP&AAS for the link). 

https://skyandtelescope.org/astronomy-news/space-missions-in-2025/

 A few highlights to keep an eye on for interesting physics:

• The NASA's New Horizon mission transitions to heliophysics observations
•  The PRIME-1 is planned for launch to examine the lunar polar subsurface
•  Three new solar-observation instruments expected to come online:

The Coronal Diagnostic Experiment on the ISS

The Compact Coronagraph on GOES-19

and ESA's PROBA-3

 Check out the article for more on these and many more upcoming projects!