There are roughly a trillion species of microorganisms on Earth—the vast majority of which are bacteria. ...

The universe is 13.8 billion years old, ... we end up with an average number of galaxies in the universe from the beginning to today of about 1 to 2 trillion," Noeske said.

Treasury reported a $1.049 trillion budget deficit for the first seven months of fiscal 2025, which started Oct. 1, up 23%, or $194 billion, from a year earlier.