We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise ...

These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...

Although Mercury was geologically active in its early days, today its surface appears almost completely static. This is why ...

Snapchat, the popular messaging app known for self-deleting messages and fun chat features, also offers a paid plan called ...

Astronomers watched a distant star dim for months and found a metal-rich cloud that may be the aftermath of a massive ...

"We've often seen the 'baby pictures' of planets forming, but until now, the 'teenage years' have been a missing link." ...

Scientists found a mysterious rogue planet roaming aimlessly outside our solar system. What if it came closer?

A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped ...

Despite its small size, Mars seems to have a huge impact on the orbital cycles that govern Earth’s climate, especially those ...

The curious minds at What If explore every planet in the solar system having a twin, imagining gravitational chaos, orbital ...

When Planet Fitness went public in 2015, its unit count sat at 976 with about 7 million members. It’s now closing in on 21 ...

Starting Jan. 21, Canadians can see a rare celestial event as six planets line up in the evening sky, mostly visible to the ...