NASA's Solar Dynamics Observatory captured a massive 'tornado' on the sun in multiple wavelengths. Unlike the Earth, "tornadoes on the sun are controlled by magnetism," according to Space Weather.

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

To truly understand our place in the universe, we must first comprehend the concept of scale. It is only through understanding the relative sizes of the entities around us that we can appreciate the ...

Venus, Jupiter, and Mars dominate the sky. Catch your last views of Saturn as early in the month, the Moon passes in front of ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Material retrieved from the asteroid Bennu by NASA’s OSIRIS-REx spacecraft shows that all the basic building blocks of life ...

"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied." ...

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...

As more moderate winter temperatures settle into the region, Gretchen Price explores the frozen surface of Lake Monona during ...

Rendering courtesy of Lou Raizin Share Some two decades after Millennium Park opened, it’s time for the “next big thing” downtown, say a group of civic, business and community leaders.

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The eight major planets of our Solar System orbit the Sun ... its size and orbit to be discerned. Thanks to this method, we ...