Astronomers now estimate there is at least one planet for every star in our galaxy. These worlds, called exoplanets, are ...

The galaxy’s most common stars rarely host sub-Neptune planets, revealing a new pattern in how close-in worlds form.

Around stars like our Sun, the most common planets aren't giant Jupiters but smaller cousins: sub‑Neptunes, which resemble ...

New simulations suggest binary star systems may be ideal for planet formation, and may produce more gas giants than ...

More than you probably wanted to know about globular clusters Globular clusters are large, densely packed collections of stars that appear around the edges of the Milky Way and other […] ...

We are living in a golden age of Milky Way research and exploration. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The Milky Way is a barred ...

According to Kepler observations, the most abundant kind of planets in the Milky Way is the super-Earths. These planets are ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to find it around many of the most common stars in the galaxy. Earth-like ...

Astronomers have discovered something surprising about planets beyond our solar system. Even though planets are incredibly ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

Scientists now have direct evidence that a planet — not just failed stars — can rove the galaxy after a violent expulsion from its orbit. Credit: NASA / JPL-Caltech / R. Hurt illustration Astronomers ...