Sphere announced the winners of its XO Student Design Challenge, with the winning artwork displayed just off the Las Vegas ...

A retired FBI special agent believes it’s unlikely that missing 84-year-old Nancy Guthrie walked out of her home on her own ...

FBI expert Maureen O’Connell said blood patterns suggest Nancy Guthrie was wrapped and carried out of the house ...

As the search for Savannah Guthrie’s mother, Nancy Guthrie, enters its second month, retired FBI special agent Maureen O’Connell shared her thoughts on what the blood spatter pattern outside the home ...

As a space scientist, every time I go outside with my family, I tell my children to look up at the sky. The front door of our home looks southeast, and on winter nights the constellation Orion hangs ...