By analyzing the data from the Pan-Andromeda Archaeological Survey (PandAS), European astronomers have discovered a new satellite of the Andromeda galaxy. The newfound object, which received the ...

Astronomers have uncovered an extraordinarily ancient star that offers a rare glimpse into the universe’s earliest chapters.

Some of the young universe’s biggest structures were hiding in plain sight. Astronomers have now identified more than 33,000 ...

The universe is at it again; scientists have been baffled by a discovery that turns all the knowledge they have on planetary ...

The newly identified star carries almost no heavy elements, making it a rare surviving relic from the universe’s earliest chapters.

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J0715-7334 is built different, and appears to be a stranger in our galaxy. Could it have been born from the long-elusive ...

New research describes an unexpected double jet in a distant galaxy, revealing a pair of supermassive black holes on the ...

The Eberly Telescope Dark Energy Experiment (HETDEX) has discovered tens of thousands of gigantic hydrogen gas halos, called ...

Dying stars may be wiping out nearby giant planets as they expand into red giants. Astronomers found that these close-in planets become increasingly rare around more evolved stars, suggesting many ...

Astronomers used the James Webb Space Telescope to get a second look at a "forbidden" planet that's nearly as large as its ...

An exoplanet, TOI-5205 b, which is almost as large as Jupiter, orbits a small red star. By many estimates, this red star ...