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 ...

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 ...

A third of the exoplanets orbiting common M dwarf stars have gentle enough orbits to potentially be in the habitable zone capable of hosting liquid water. Our familiar, warm, yellow sun is a relative ...

A radical new theory regarding the origin of the universe suggests that gravitational waves, tiny ripples in spacetime first predicted by Albert Einstein back in 1915, could have given rise to cosmic ...

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 ...

Astronomers have found that free-floating planets far outnumber those bound to a host star. By Katrina Miller Free-floating planets — dark, isolated orbs roaming the universe unfettered by any host ...

Space scientists look back on 30 years of exoplanet discoveries — from rows of massive ‘super-Earths‘ to worlds with ...