Ex-astronaut Kathy Sullivan dives to lowest point on Earth, Challenger Deep
Former NASA astronaut and geologist Kathy Sullivan has become the first woman to dive to lowest point on Earth, known as Challenger Deep, inside the Mariana Trench. Sullivan, 68, emerged from the submersible DSV Limiting Factor (LF) on Sunday, which performed a successful expedition at more than 35,000 feet below the ocean’s surface. LF, built … Read more