A first-in-the-nation proposal in California to tax billionaires could test voters' appetite for levying a wealth tax on the ultra-rich.

Bill Gates topped The Chronicle of Philanthropy’s annual list of the 10 largest charitable gifts announced by individuals or their foundations in 2022.

Stanford University will launch a new school focusing on climate change thanks to a $1.1 billion gift from billionaire venture capitalist John Doerr and his wife, Ann, the university announced Tuesday.