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?

Astronaut John W. Young, the pilot for Gemini III, checks over his helmet prior to flight.

It is the method favoured by American spacecraft – such as NASA’s Mercury, Gemini, and Apollo – to re-enter Earth. In a ...

Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.

It's unclear when Starliner will fly again, and whether or not that mission will carry astronauts. More than six months after ...

SpaceX’s Dragon Freedom capsule safely splashed down in the Gulf of Mexico on Tuesday evening, bringing astronauts Barry ...

After the end of the space shuttle program, NASA turned to private companies to fill the gap. That isn't working out for the ...

Stuck in space no more, NASA astronauts Butch Wilmore and Suni Williams returned to Earth on Tuesday, hitching a different ...

NASA astronauts Butch Wilmore's and Suni Williams's eight-day mission lasted nine months. How did they adjust?

The pair of NASA astronauts who have been in space for over nine months returned to Earth on Tuesday after a new crew to replace them reached the ISS over the weekend.

The two Boeing Starliner astronauts left behind on the International Space Station are back on Earth, ending an odyssey that ...