The Milky Way's galactic bulge, the bulbous region that surrounds the galactic center, contains a dense collection of stars, planets, and other free-floating objects. This region has been studied for ...

And the views are stunning, too. Astronomers have captured an extraordinary new look at the hidden birthplaces of star ...

Scientists discovered a mini-Neptune with a heavy atmosphere, revealing new clues about how planets migrate through young ...

A small, icy world orbiting beyond Neptune has no business holding onto an atmosphere. It is too small, too cold, and too far ...

Unlike active galactic nuclei (AGN) that emit lethal levels of X-ray radiation, the centers of the Milky Way and these little ...

Worlds this small and distant are thought to be too cold and have too little surface gravity to hold onto gases. But the findings suggest that icy, rocky objects in the solar system's outer reaches ar ...

Astronomers using the James Webb Space Telescope have spotted something that shouldn’t exist—at least not so early in the ...

A gradual dimming and brightening when a star passed behind it suggested the mini-Pluto was wrapped in a thin layer of air.

Astronomers have long known that neutron stars, the crushed cores left behind after massive stars explode, should be scattered throughout the Milky Way galaxy. However, most of them are effectively ...

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

A new solar telescope at Paranal studies the Sun to reduce stellar noise, helping scientists better detect and study ...

While Galileo's observations killed off the old model, we would need to wait centuries for conclusive evidence that Earth ...