Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

Imagine shrinking Earth to the size of a small ball to reveal just how vast the Universe is. If it were 12 centimeters wide, ...

Explore the true scale of the Solar System in this video, which illustrates the relative sizes of the planets and their distances from the Sun.

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

"If our solar system is indeed moving this fast, we need to question fundamental assumptions about the large-scale structure of the universe." When you purchase through links on our site, we may earn ...

A growing solar system model stretching from Oregon to Prosser gave visitors a new way to explore Tri-Cities trails and the ...