A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

Time and tide, as the ancient saying goes, wait for no one. But what is a tide? The word “tide” is a bit confusing; most people think of it as the ebb and flow of the ocean at the beach, caused by the ...

Astronomers believe they have uncovered evidence of a previously unknown ninth planet lurking in the not-too-distant reaches of the solar system. This hypothetical world, dubbed "Planet Y," could be ...

An international team of researchers has just revealed the existence of three Earth-sized planets in the binary stellar ...