Today, Feb. 22, is Ash Wednesday. Ashes were a symbol of mourning in the OT (Old Testament). You put them on yourself, heaped on your head like ...

The lunar canyons Vallis Schrödinger and Vallis Planck are extraordinarily deep, and scientists now know the valleys were ...

Ash Wednesday marks the beginning of Lent, an important time for Christians leading up to Easter. Here's what to know.

A British start-up developing a breakthrough in nuclear fusion is closing in on a £60m funding deal amid reports that China ...