It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation for why the sky is blue: Blue light from the Sun is scattered the most when ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

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

The aurora borealis forecast or northern lights forecast was released for Friday and Saturday night, with Saturday offering ...

Top 7 most spectacular spots in Goa to catch that great sunrise or sunset From tranquil beaches to eye catching viewpoints, ...

Find Clear Sky Mountain stock video, 4K footage, and other HD footage from iStock. Get higher quality Clear Sky Mountain content, for less—All of our 4K video clips are the same price as HD. Video ...

Firefly Aerospace’s Blue Ghost has landed, activating NASA’s cutting-edge instruments. These include a dust-clearing system, a revolutionary navigation experiment, and cameras studying lunar touchdown ...

While parts of the Earth saw a total lunar eclipse, the Blue Ghost lunar lander captured stunning imagery of a solar eclipse on Friday. See the rare view here.

The $488 million Spherex mission aims to explain how galaxies formed and evolved over billions of years, and how the universe ...

The Blue Ghost lunar lander, operated by Firefly Aerospace from Texas, became the first commercial spacecraft to image an eclipse from the moon.

The first of two eclipses this month takes place overnight Thursday into Friday. UMass Lowell physics professor Silas Laycock ...