They flattened forests, left massive craters and even killed the dinosaurs. Learn all about Earth’s hugest asteroid strikes.

Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...

Images from the Hera mission show the object in remarkable detail — a small island gliding above the crater-scarred Martian ...

Our writer takes us on a journey of a lifetime across the so-named “5-Stans,” with all the wonder and mystery these nations ...

An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

Researchers in Western Australia have found the remnants of a nearly 3.5-billion-year-old impact crater – making it the ...

While the car-sized spacecraft flew around the Mars system, flight controllers on Earth temporarily lost communication with ...

NASA’s Perseverance rover found pale rocks containing kaolinite on Mars, a mineral that forms in warm, wet conditions.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Geologists have now unearthed ...

Research published late last year indicated “seismic discontinuities in the Martian crust” that scientists believe could be an indicator of liquid water under the Martian surface, raising the ...