Find out what happened to Megan Nichols, 15, who mysteriously vanished after withdrawing $200 from her family bank accounts, and writing her mom a note.

A pioneering partnership between researchers from The Grainger College of Engineering at the University of Illinois ...

Researchers have identified a form of molecular motion that has not previously been observed. When what are known as "guest molecules"—molecules that are accommodated within a host molecule—penetrate ...