Tracker S04E02 "Switchback" sends Colter racing after a missing mother and daughter on the Pacific Divide Trail. Colter’s latest Tracker case turns darker when he learns the vanished hikers were being ...

Scientists believe there are planets outside our solar system where life is even more abundant and sustainable. By Natalie Wolchover Natalie Wolchover is a Pulitzer Prize-winning science journalist ...

Article Summary Elsbeth S04E02, "Death of a Playwright," sends Elsbeth into New York theater after a young playwright dies. Nicholas Braun guest stars as Jeremy Perrick, with multiple suspects ...

Isaacman believes natural phenomena or new adversary technology are more likely explanations for UFO sightings. Public interest in UFOs has increased following government hearings and the ...