Warm Neptune-size exoplanets are not nearly as common as super-Earths or hot Jupiters — and we are now closer to finding out why. Our galaxy apparently has a dearth of Neptune-size worlds that orbit ...

Astronomers have discovered a new feature in the distribution of planets beyond the solar system, and this finding could help us understand the dynamics that determine the formation of exoplanets ...

Astronomers have unexpectedly discovered the heaviest Neptune-like planet yet — one more than four times the mass of our solar system's Neptune — yet it remains a mystery how the world might have ...

Kostov, V. B., McCullough, P. R., Carter, J. A., Deleuil, M., Díaz, R. F., Fabrycky, D. C., Hébrard, G., Hinse, T. C., Mazeh, T., Orosz, J. A., Tsvetanov, Z. I ...