While on deployment to eastern Afghanistan in the early years of the Obama administration, Nerea M. Cal, an Army officer, found herself on an unusual non-combat mission: extracting local Afghans from raging rivers.
Heavy rains had caused flash flooding in...
Rose Prentice, formerly enslaved, was in her mid-sixties when Sarah Goodridge, a noted miniaturist, painted her portrait.
Born in 1771, Prentice retained the surname of her second enslaver, John Prentice, who likely manumitted her, before or upon his...
Researchers have found the first direct evidence of a “background” of gravitational waves in the universe — a sign that gravitational waves from slowly merging pairs of supermassive black holes, or possibly from the early universe, can be detected from...
