Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic planet formation.

An elliptical machine puts minimal strain on your joints. Your feet always are in contact with the machine's pedals as they glide along an oval-shaped pathway. This reduces the stress that is put ...

How does a planet’s size influence its orbit around its parent star? This is what a recent study published in the Proceedings of the National Academy | Space ...