The limbic system of the human brain controls emotions. While researchers don’t know all the structures within it, some key parts include the amygdala, hippocampus, limbic cortex, and hypothalamus.

The sound of protest music used to be the gentle plucking of Bob Dylan's guitar or the smooth grooves of Marvin Gaye. But at the end of the 1990s, there was a more insistent voice, screaming through a ...

Billions of years ago, in some forgotten corner of the Milky Way, a molecular cloud like many others collapsed to form new stars. One of them formed in relative isolation, collecting material in a ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...

The solar system is an enormous place. Our cosmic neighborhood includes eight planets, around half a dozen dwarf planets, several hundred moons and millions of asteroids and comets, all spinning ...

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find, announced ...