Astronomers have identified a wildly distorted world that looks less like a sphere and more like a squeezed citrus fruit, and it is rewriting what I thought I knew about how planets form and survive.

This artist’s concept shows what the exoplanet PSR J2322-2650b may look like. Gravitational forces from the much heavier pulsar it orbits are pulling the Jupiter-mass world into this bizarre lemon ...

It may be made from a former star ...

Surprised astronomers just discovered a world that blurs the line between planet and stellar remnant, hiding in a system known as a “black widow.” “This was an absolute surprise,” said study co-author ...