Earthquakes can now be caused by people thanks to fracking, drilling and wastewater disposal. A new database shows how common these human-made earthquakes are.
By Rashmi Shivni
Uranus’ weirdness takes a fresh form via a new model of its magnetosphere, just as NASA mulls a return to the icy giant.
By Nsikan Akpan
Scientists find 4.2 billion-year-old remnants of the planet’s earliest crust right in our continental backyard.
By Andrew Wagner
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