Washington, April 19 -- The deaths or disappearances of at least 10 top US scientists and researchers with access to information related to aerospace, defence and extra-terrestrial life have kicked off a row here, prompting the administration to order a probe. Earlier this week, US President Donald Trump was briefed on the deaths and disappearances of key scientists, and more details will be available over the next week and a half. According to reports in the American media, the earliest of the deaths dates back to July 2023. Michael David Hicks, a NASA Jet Propulsion Laboratory physicist who specialised in comets and asteroids, passed away on July 30, 2023. The cause of his death was not disclosed. Congressman Eric Burlison, a Republican f...