View a brilliant morning star, enjoy dark skies during New Moon, and take in plenty of deep-sky targets in the sky this week.

Nature used to be nonpartisan. And with the help of those who believe America is far better off when we work together, it will be again.

The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies ...