Emergency call logs show that nearly eight minutes elapsed between when a social worker called 911 to report that Josh Powell's children were in danger and when sheriff's deputies were dispatched,

Researchers have found new evidence of why mice, people and other vertebrate animals carry thousands of varieties of genes to make immune-system proteins named MHCs - even if some of those genes

Authorities have released 911 recordings that revealed a social worker's frantic attempts to alert authorities that Josh Powell had locked himself and his two young sons in his home moments before

The summer after Susan Powell disappeared, her father said, her young son Braden drew a picture at day care of a van with three people in it and told caregivers it showed his family going camping: