13K views | Today is Mardi Gras or "Fat Tuesday," so here's some tradition trivia for ya!  | Gray Media Digital Content Center | Facebook

1.4K views · 42 reactions | You thought Earth had just seven continents? As the world’s fourth largest island, Madagascar is often referred to as the “eighth continent,” given its utterly unique biodiversity. Watch Expedition Leaders Matt Meyer and Richard de Gouveia introduce Madagascar's unusual animals and plants, more than 80% of which are found nowhere else. | Natural Habitat Adventures | Facebook

6.7K views · 175 reactions | Four small rooms, a gym and a lot of red sand — NASA unveiled its new 3D-printed Mars simulation habitat, in which volunteers will live for a year at a time to test what life will be like on future missions. | DW News | Facebook