Using data from the James Webb Space Telescope, astronomers traced how Milky Way–like galaxies formed and changed over time.

From volcanic landscapes to world-class observatories, a journey through the Canary Islands reveals a night sky unlike ...

Decades in the making, NASA's X-ray timelapse shows a stellar explosion expanding into space at up to 2% the speed of light.

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

Witnessing the Milky Way is a profound experience. This article highlights ten premier global locations for stargazing. From ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

Gaia data reveals signs of planets forming around young stars by measuring stellar motion, identifying planetary, brown dwarf, and stellar companions in early star systems ...

Astronomers have created a detailed forecast of where they expect to observe future stellar explosions in a nearby galaxy, ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

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

From a window on the International Space Station, astronauts have captured a rare view of a nearby galaxy caught in the act ...