Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

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 ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

Imagine if the nearest intelligent aliens were not across the street, not across the solar system, but on the far side of the Milky Way, some 33,000 light-years away from Earth. That’s the scenario ...

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 ...

Explore the Drake Equation, a formula created to quantify the odds of detecting extraterrestrial life, and the arguments for ...

The universe is simply huge, containing billions of stars, planets, and galaxies. When children get to know the enormity of ...

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?

Our Milky Way's halo of hot gas is warmer to the "south" than the "north" because of an internal combustion engine-like ...

Though the Milky Way is generally always visible from Earth, certain times of year are better for stargazers to catch a glimpse of the band of billions of stars. "Milky Way season," when the galaxy's ...