It can be hard to get your head around the fact that Earth is moving through space. But it is even stranger to realize that you are making two simultaneous journeys — around the sun and through the ...

When we think about orbits, we usually picture the Earth zooming around the sun. But does the sun just sit there? Or is it on its own journey? I asked my friend Guy Worthey. He’s a space scientist at ...

"The discovery of this stream highlights how much is still unknown about the life histories of galaxies, how the hidden ...

For the first time, scientists have built a digital version of the Milky Way that follows the motion of individual stars, not ...

Crew Dragon has never shone brighter. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A new video from humanity's largest orbital laboratory is a ...

A long-standing scientific belief holds that stars tend to hang out in the same general part of a galaxy where they originally formed. Some astrophysicists have recently questioned whether that is ...

The Milky Way galaxy forms about six to seven new stars annually. Most newly formed stars are smaller than our Sun. Star formation rates vary across galaxies. The Milky Way's star formation rate was ...

Our solar system has been orbiting the Milky Way's black hole heart for 4.6 billion years. But it is hard to pin down exactly how many trips around the galaxy our sun has made during that time. When ...