NASA’s Mars InSight has provided … well, insight, into the inner workings of the Red Planet. By monitoring “marsquakes” over the past two years the instrument has allowed scientists to measure the ...

Like a mosquito tunneling into the skin to get at the rich feast within, geologists poked a long, narrow drill into Earth's crust last year, pulling out a treasury of geological goodness. The result ...

What lurks within the Red Planet? Although only a tenth as massive as Earth, Mars looks to have once been habitable like our own world, leading scientists to wonder whether such similarity cuts to the ...

Deep under the crust and mantle of our Earth lies its core. Earth’s core was formed during the Iron Catastrophe, a major geological event where Earth was heated to temperatures above iron’s melting ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." To understand the mantle—the largest layer of Earth’s rocky body—scientists drill deep cores out of the ...