Blue Ghost just sent back amazing photos of last night's "Blood Moon" total lunar eclipse from its perch in Mare Crisium, or ...

In the Americas alone more than one billion people in 35 countries could bear witness to the total lunar eclipse.

There's an opportunity tonight to catch the March 2025 "Blood Moon," a phenomenon that colors the full moon in shades of red, orange and yellow during a total lunar eclipse.

Tucson time, the moon will begin to dim as it hides behind the Earth. It will reach total eclipse at 11:26 p.m., NASA says.

Simply put, pi is a mathematical constant that expresses the ratio of a circle's circumference to its diameter. It figures into numerous formulas used in physics, astronomy, engineering and other ...

As a shutdown deadline looms, Senate Democrats are mounting a last-ditch protest over a Republican-led spending bill that ...