The Universe is full of dust, and a striking new image from the Hubble Space Telescope highlights just how important it is.

To see the northern lights in Colorado, a KP index of 5 or higher is usually needed. The KP index measures geomagnetic ...

The sun is reaching a solar maximum. Here's what that could mean for Iowa and our chances to see the aurora borealis, known ...

We seem to be stuck in a warm weather pattern that features morning clouds & fog to late-day sun to overnight clouds & fog.

English Aristocrat Sir Philip Sidney wrote an essay titled “In Defense of Poesy.” In this text, he defends the value of ...

Cold and windy weather returns following a snowy start to Saturday. Bitter wind chills are possible, especially north.

Lenticular Clouds Lenticular clouds, with their distinctive lens shape, often hover over mountain ranges like alien ...

Clear and very cold overnight. Many areas drop below zero, with northern areas as low as 20 below.Sun to increasing clouds on Sunday, with the next system bringing light snow after dark. A widespread ...

A tour guide killed at a former Colorado gold mine last year fell out of a crowded elevator taking tourists below ground after apparently not latching its door closed, documents obtained by The ...

January is typically a dark and rainy time of year in Portland, where some days the thick clouds make it feel as though the ...

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ultraviolet light before a solar flare, which could act as an early warning system ...

Bartlett said he can often see canals on Mars, clouds circling Jupiter, and the faint sheen of Saturn's rings. Mercury's appearance Mercury can be tough to spot because it's closest to the sun.