The fifth-century B.C. philosopher and poet Empedocles had the brilliant intuition ... of light when light beams traveled with, and perpendicular to, the motion of the Earth.

There's a bright "star" shining in the east after dark. It's Jupiter, which is now approaching it's biggest, brightest and ...

There were many sightings in the Boston-area despite the heavy light pollution ... and was expected to arrive at Earth on ...

These bodies emit light which ... Hubble's brilliant observation was that the red shift of galaxies was directly proportional to the distance of the galaxy from earth. That meant that things ...

but also light up the sky with brilliant auroras. "It’s official: We have reached solar max phase!" the space agency posted ...

THE term “harvest moon,” originating in England, where the brilliant moon-light of several consecutive ... are due to complex conditions. If the earth's axis were perpendicular to the plane ...

According to NASA, the star is part of a system that is around 3,000 light-years away. The system comprises an Earth-sized ...

Stewart Island is regarded as one of the top spots to see the brilliant ... the strongest light displays are within what's called the "auroral oval": a rough circle around the Earth's magnetic ...

The large, bright Taurid meteors are characterized by their vibrant explosions of color and extended trails, often visible ...

Following her attendance at a disorienting house party and an encounter with a homeless woman who tells her, “Your veins are ...

Reuniting the creative team from the BAFTA and Golden Globe winning first series, The Mirror and the Light traces the final ...

People across the Bay State were rushing outside Thursday night to check out to the brilliant Northern Lights. Residents were seeing pink and purple skies from the Aurora Borealis. “Aurora alert!