The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

It seems that in the last few years, we have been collecting a lot of objects, phenomena, and events that challenge our best ...

After combing through NASA's James Webb Space Telescope's archive of sweeping extragalactic cosmic fields, a small team of ...

From our vantage point inside it, the Milky Way can feel infinite, a hazy river of light that wraps around the sky. Yet when ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The dark matter distribution of a Milky Way mass halo in a Lambda-cold dark matter (LCDM) ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. White diamond symbols mark the locations of 20 of the 83 newfound young, low-mass galaxies ...

The Andromeda galaxy lies just beyond (...OK, about 2.5 million light-years beyond) our galaxy, the Milky Way. These galaxies are more than just neighbors: They're gravitationally bound. And for the ...

Scientists measured mass and distance of free floating planet drifting through space without star for first time.

Using the James Webb Space Telescope, scientists spotted thin and thick disks in galaxies as far back as 10 billion years ago—something never seen before. These observations reveal that galaxies first ...

A potential new type of celestial object has all the makings of a normal small galaxy. It’s rich with the same hydrogen gas ...

Nearly all stars are found inside or around galaxies, but there are ways for stars to escape into intergalactic space.