Small, rocky planets can coalesce around a wide variety of stars, suggesting that Earth-like alien worlds may have formed early and often throughout our Milky Way galaxy's history, a new study reveals ...

Alien worlds become the focus of this cinematic journey across the Milky Way, using the imaginary ship NAVIS III to explore ...

I/ATLAS has caused quite a stir over the last year, inviting astronomers to update what they know about other solar systems ...

As a galactic archaeologist, my job is to reconstruct the past of our galaxy – and read the signs of its future.

NASA’s Roman Space Telescope could revolutionize the search for alien worlds by discovering around 100,000 exoplanets—far ...

For generations, artists and science-fiction writers have imagined alien landscapes beneath twin sunsets. The image became ...

Interstellar space is unforgivingly vast, but the emptiness has some advantages. The lack of atmosphere means there is no aerodynamic drag.

If advanced aliens lived on a planet within a few hundred to a thousand light years away from Earth, then vast numbers of their signals must already have crossed Earth without being noticed, a new ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. When will the Milky Way collide with the Andromeda Galaxy?

The Milky Way is our home galaxy with a disc of stars that spans more than 100,000 light-years. While the Milky Way is generally always visible from Earth, certain times of year are better for ...