First Student, the leading provider of student transportation, today announced it was selected by Fort Worth Independent School District to provide a comprehensive suite of fleet maintenance services.

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s matter. The rest is mysterious dark matter. But even that modest slice didn ...

It’s the cosmological equivalent of having slid between the cushions down the back of the couch; that is the place you should have suspected but hadn’t looked.