Decades before blockbuster CGI aliens, artist Wayne Barlowe designed an entire ecosystem for his book "Expedition" — later turned into the Discovery Channel special "Alien Planet." ...

The search for alien life has been boosted after an atmosphere was detected surrounding an Earth-like planet for the first time. The discovery provides the strongest evidence yet that worlds with ...

The Independent and Yahoo will earn a commission from purchases made via links in this article. Pricing and availability are subject to change. Scientists have seen an atmosphere around a rocky, ...