Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

The Andromeda galaxy lies just beyond (...OK, about 2.5 million light-years beyond) our galaxy, the Milky Way. For the past hundred years or so, scientists thought these galaxies existed in a long ...

What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but. The object’s trajectory revealed it to be a much rarer visitor than first ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Look up some time at the night sky, glinting and humming with all manner of illumination — planes taking off from or ...

The Drake Equation has been called the second most important equation in science. How many alien societies exist and are detectable? The Drake Equation is a step toward the answer. Frank Drake created ...

You do not have to be an expert astronomer, a composer-master photographer, or even a person who enjoys looking at the galaxy to appreciate the ... you might see a shooting star making its way across ...

The solar wind pushes some of the gas and dust away from the comet, forming those beautiful tails we see. A comet actually ...

It's the so-called "Milky Way season" in the Northern Hemisphere. Here's everything you need to know about viewing the galaxy ...

Stargazers may catch a cosmic light show this Fourth of July weekend when the Milky Way appears in the night sky across the ...