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Super-low density worlds reveal how common planetary systems form

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

Four baby planets show how super-Earths and sub-Neptunes form

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

Swinging abyss: Oxygen isotope analysis shows less dynamic Antarctic ice sheet in Oligocene period

Oxygen isotopes data enable researchers to look far back into the geologic past and reconstruct the climate of the past. In ...