During the weekend, the orbits of Earth and Saturn will combine to create an interplanetary optical illusion for anyone with ...

The northern lights might be visible for the second night in a row in parts of Illinois. Here's when to look outside.

Many Hoosiers shared stunning images of the northern lights from all around Indiana when auroras shone Nov 11-12, 2025.

A rare alignment between Earth and Saturn will make the gas giant’s rings appear so thin that they’ll be nearly invisible.

The unusual comet—which is to pass Earth again in the coming weeks—is only the third known object to visit us from outside ...

A second night of aurora borealis is expected across parts of the U.S., Canada, and the U.K. on Wednesday evening, following ...

Nearly 2½ centuries ago, in December 1781, musical composer and amateur astronomer William Herschel was scanning his telescope through the skies over ...

Growing up in a small town in Pennsylvania, astronomy and physics Prof. Michael Smutko could see the Milky Way alongside ...

The inner planets Mercury and Venus will both be visible in the east-southeast sky before sunrise on Tuesday, Nov. 25.

New images from the Mars Express orbiter reveal evidence of a past ice age at Mars's mid-latitudes and shine light on the ...