The search for alien life has been boosted after an atmosphere was detected surrounding an Earth-like planet for the first ...

When people imagine life on other planets, they often picture creatures unlike anything found on Earth. Perhaps they have ...

If you thrill at the discovery of new exoplanets, hold tight. A sextuplet alien solar system has been glimpsed in exquisite detail, revealing six planets of varying mass, five of which are packed ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...