Satellites come in all shapes and sizes, but there aren't any that look quite like SPHEREx, an infrared observatory NASA ...

Roland Winston, SB’56, SM’57, PhD’63—a pioneer in solar energy, engineering, and physics—died Feb. 8 at his home in ...

As the countdown to the year's first total lunar eclipse begins, here's what to know about the difference between a lunar ...

As the countdown to the year's first total lunar eclipse begins, here's what to know about the difference between a lunar ...

A total lunar eclipse and a partial solar eclipse at sunrise two weeks later will be visible from the Poconos in March.

A partial solar eclipse will already be underway as ... The Earth's principal shadow extends as a cone, 870,000 miles behind our planet. This is known as the umbra shadow. A secondary, lighter ...

This dark cone-like shadow gets smaller the further ... when the Earth comes in the way of the Sun’s light hitting the moon while a solar eclipse happens when the moon comes in between the ...

NASA’s newest space telescope rocketed toward orbit Tuesday to map the entire sky like never before — a sweeping look at hundreds of millions of galaxies and their shared cosmic glow since the ...