Alien visitor on Mars? NASA finds 'unusual' 31-inches wide rock on red planet that didn't belong there, scientists stunned

NASA's Perseverance rover found a peculiar rock on Mars. Its composition suggests it may have originated from beyond our ...

UPSC Essentials | Daily subject-wise quiz : Science and Technology MCQs on fossil discovery on the Arctic island, Sentinel-6B and more (Week 137)

Are you preparing for UPSC CSE Prelims 2026? Check your progress and revise your topics through this quiz on Science and ...