The new Environmental Protection Agency administrator plans to get rid of or weaken critical environmental rules and policies, such as regulations around greenhouse gases and clean water protections. The deregulation effort follows the recent cancellation of hundreds of grants. NASA launched two missions last week. The first, SPHEREx, will make a three-dimensional map of the sky. The second, PUNCH, is a collection of satellites meant to study solar wind. Plus, Saturn gains some moons, and whale urine balances ecosystems.

Recommended reading:

Trump EPA Unveils Aggressive Plans to Dismantle Climate Regulation 

New NASA Space Telescope Will See the Universe in 102 Colors

Heliophysics Is Set to Shine in 2025

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Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper, Naeem Amarsy and Jeff DelViscio. This episode was hosted by Rachel Feltman. Our show is edited by Alex Sugiura with fact-checking by Shayna Posses and Aaron Shattuck. The theme music was composed by Dominic Smith.

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