Every planet in our solar system is essentially round. But out in the universe, are there any planets that aren't spherical? Technically, planets are round, by definition; they need to have enough ...

The Universe has long inspired curiosity and awe, compelling scientists and philosophers alike to explore its origins and ...

NASA's retired Kepler Space Telescope discovered a system of seven "sweltering" planets surrounding a star that's hotter than our own sun.

In the real universe, the largest super-Jupiters mostly whip around their stars in long, narrow ovals — just like the results of collisions between wandering giant planets in Dong and her ...