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100 Tricky Science Trivia Questions—With Answers

1. Question: What is the largest planet in our solar system? Answer: Jupiter 2. Question: What is the fastest animal on land? Answer: The cheetah 3. Question: What are the three layers of the Earth?

Scientists reveal earliest evidence for shifting of Earth’s crust

Scientists say they have uncovered new clues in Australia about when plate tectonics began on Earth, the only known planet to ...
National Academies of Sciences%2c Engineering%2c and Medicine

Grand Research Questions in the Solid-Earth Sciences

Questions about the origin and nature of Earth and the life on it have long preoccupied human thought and the scientific endeavor. Deciphering the planet's history and processes could improve the ...