Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy.

Astronomers used the Hubble Space Telescope to image "peculiar" galaxy Arp 184 (NGC 1961) about 190 million light-years away.

Stargazers accustomed to scanning the Milky Way galaxy may notice something odd overhead this month: barely any milk in that way.

Researchers discovered Eos, a molecular cloud, using ultraviolet light. It is near Earth and lacks carbon monoxide. This ...

What Is a Galaxy? A view of the spiral galaxy NGC 3982, as seen by NASA’s Hubble Space Telescope. Galaxies come in many ...

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class ...

Along with a number of neighbouring galaxies — including our closest galactic neighbour, the Andromeda Galaxy — it forms what ...

This mission will chart ultraviolet radiation across the Milky Way. It aims to find more hidden ... ways and locations of star births within our galaxy.

A thin shell of air wraps around Earth, stretching about 20 miles above the surface. This invisible veil is packed with tiny ...

Astronomers are pulling back the hazy veil on the Milky Way's most common—and arguably most mysterious—type of planet: so-called sub-Neptunes. Not seen among the planets of our solar system ...

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...