Astronomers studying extreme planetary systems have identified worlds so massive that they rival the smallest stars in size.

A large proportion of the most common type of planet in the galaxy could be situated in the habitable "Goldilocks Zone" of their solar system, research has found. Astronomers from the University of ...

Space. It's really, really big. How big is it? Well, according to astronomers, the observable universe is around 92 billion light-years in diameter, but that's all we can see (hence the word ...

AMES, Iowa – Astronomers poring over four years of data from NASA’s Kepler spacecraft have discovered a star that’s 11.2 billion years old and has at least five Earth-size planets. “We thus show that ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

A massive, Jupiter-size planet has been found orbiting a relatively small, low-mass star, surprising astronomers and challenging theories on how planets form. The extrasolar planet, or exoplanet, ...

Astronomers have discovered an unusual planetary system consisting of a Jupiter-sized planet orbiting a tiny star that is only four times the size of the solar system gas giant. This "forbidden" ...

For the first time, scientists have built a digital version of the Milky Way that follows the motion of individual stars, not ...

A distant star system has Milky Way-like spiral arms orbiting it. New research suggests a giant planet may be to blame. When you purchase through links on our site, we may earn an affiliate commission ...

Planets that go rogue orbit no star. They wander the vacuum of space alone, having been kicked out of their star systems by gravitational interactions with other planets and stars. Nobody really knows ...