June Lockhart, who became the archetypal TV mom of the 1950s and 1960s with her roles on the campy sci-fi series “Lost in Space” and alongside a collie and a little boy on the family drama “Lassie,” ...

June Lockhart, who became a mother figure for a generation of television viewers whether at home in “Lassie” or up in the stratosphere in “Lost in Space,” has died. She was 100. Lockhart died Thursday ...