We’re tracking key cases covering President Donald Trump’s actions on immigration, law firms, worker firings, DOGE cuts, transgender care and more.

Lawsuits challenged President Trump’s executive orders on birthright citizenship and protections for federal workers, and a church leader asked him to show “mercy.” In jails and courtrooms ...

China's Betavolt New Energy Technology has unveiled a new modular nuclear battery that uses a combination of a nickel-63 (⁶³Ni) radioactive isotope and a 4th-generation diamond semiconductor ...