Why is urban heat island relevant to the UPSC exam? What is the significance of topics such as the global navigation satellite system, Houthis, and sonic weapon on both the preliminary and main exams?

Houston: Indian origin Astronaut Sunita Williams and Butch Wilmore are scheduled to leave the International Space station by March 19 at the earliest, said NASA. The American Space agency said ...

Editor’s note: Spokesman-Review reporter Nick Gibson is in Florida this week to report on Anne McClain’s and NASA ... Apollo 7. The doorframe the crew stepped out of is littered with stickers ...