The University of Leicester this morning in a press conference announced that remains dug up in a car park were beyond a reasonable doubt those of King Richard III, the last of the Plantagenet monarchs, who died in battle in 1485:
Wealth of evidence, including radiocarbon dating, radiological evidence, DNA and bone analysis and archaeological results, confirms identity of last Plantagenet king who died over 500 years ago
DNA from skeleton matches two of Richard III's maternal line relatives. Leicester genealogist verifies living relatives of Richard III's family
For more information check the BBC site. That site is being updated frequently this morning with this breaking news.
Ann Turner just suggested this University of Leicester site with more details of the DNA that was compared.
CNN has additional details as well.