This week, solve the mystery of an ancient human ancestor’s fossil, meet a new generation of dire wolves, spy April’s full moon, and more.

Wei had long been intrigued by robotics, Zhang recalls, and raised the idea of creating a robot himself. “That’s when I thought, Why not use the materials he works with to build one?” They started ...

Delhi and parts of NCR fall under Zone IV, indicating a high seismic risk—making it imperative that planning be proactive, not reactive ...