In the heart of the Milky Way is a black hole millions of times more massive than our sun, but does that mean we're destined ...

In 1949, famed mathematician and physicist John von Neumann delivered a series of addresses at the University of Illinois, ...

When planetary rings are mentioned, the image of Saturn immediately comes to mind. However, this celestial feature is not ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars. When you purchase through links on our site, we may earn an affiliate commission.

Just decades after the first exoplanets were identified, our database of the distant worlds—monitored by the NASA Exoplanet Science Institute—has breached a new threshold. Now, astronomers have ...

NASA is preparing to launch two missions on Tuesday: one to study the sun, the other to examine, oh, just the origins of the universe. “How does the universe work? How did we get here within that ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course. When ...