Demi Lovato has canceled five shows and pushed back the start of her upcoming tour in support of It’s Not That Deep after realizing she “overextended what may be possible” when it came to her 23-show ...

The ’29’ artist said she wants to ‘protect [her] health’ by canceling a few of her tour dates. Demi Lovato admitted she may have “overextended” her It’s Not That Deep Tour in an announcement ...

Mathematicians finally understand the behavior of an important class of differential equations that describe everything from water pressure to oxygen levels in human tissues. The trajectory of a storm ...