New island offers clues to life on Mars: Nasa

A photo from Nasa showing a new island, unofficially known as Hunga Tonga-Hunga Ha'apai, which had formed from a Pacific Ocean submarine volcano which erupted in late December 2014.
A photo from Nasa showing a new island, unofficially known as Hunga Tonga-Hunga Ha'apai, which had formed from a Pacific Ocean submarine volcano which erupted in late December 2014. PHOTO: AGENCY FRANCE-PRESSE