TOKYO (AP) — Japanese internet, solar and technology company SoftBank Group Corp. is buying robotics pioneer Boston Dynamics from Alphabet Inc., Google's parent.

Terms of the deal, announced Friday, including when it might close, were not disclosed.

Tokyo-based SoftBank, which offers the chatty childlike Pepper companion robot, said the purchase underlines how robotics is a key part of its business.

Boston Dynamics makes various robots, including Big Dog and Spot, which are complex machines that walk and trot on four legs. Another is Atlas, which walks on two legs like a human. Atlas has arms...