New images from the North Sea show never-before-seen landforms that were carved by a single, colossal ice sheet 1 million ...

Three ongoing Tucson art exhibits invite viewers to reflect on the constancy of immigration throughout history, with all of its joys and challenges, as well as the psychological and environmental ...

See our Citation Policies for more details about how to structure your data citation. The Circum-Arctic permafrost and ground ice map is available via ftp in ESRI Shapefile format and Equal-Area ...

Full retirement age varies by birth year and is 67 for those born in 1960 or later. Claiming Social Security before FRA reduces benefits while delaying increases them. Working after FRA doesn't ...