A weird-looking distant planet is a one-of-a-kind mystery — for now

Planets, the eight celestial bodies orbiting our sun, are spherical. Exoplanets, the many other celestial bodies orbiting many other suns, are also spherical.

At least that's what scientists thought until the European Space Agency (ESA) got a better look at the "rugby ball shaped" WASP-103b. Discovered in 2014 amid the...