Only a few years ago, astronomers heralded the discovery of a rocky world circling the sun's closest space neighbor, Proxima ...

A newly found super-Earth could help provide answers as to why there are hardly any planets twice the diameter of Earth.

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

New findings from the ALMA telescope have revealed that planets are born in much smaller protoplanetary disks than ...

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Astronomers believe smaller exoplanets may be more varied in composition ... making it a significant step forward as ...

Researchers suggest that certain gases detected in the atmospheres of exoplanets could be key indicators in the search for ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar ...