A new NASA study reveals a surprising way planetary cores may have formed—one that could reshape how scientists understand the early evolution of rocky planets like Mars.

After two decades of debate, research confirms that an odd binary star system has an equally odd planetary companion ...

Because each layer in the planet's atmosphere hosts unique winds carrying different elements, the researchers could map an unprecedented 3D structure ... is a quickly moving jet stream of sodium ...

In a scientific first, an international team of astronomers has 3D mapped the atmosphere of planet WASP-121b, also known as Tylos. Using the European Southern Observatory’s Very Large Telescope ...