With Spurr rumbling near Anchorage, let's look at some of the largest eruptions in the most volcanically active state of the ...

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

In a groundbreaking discovery, scientists have identified the world's oldest known meteorite impact crater in Western ...

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

Rocks loafing about on the surface of Mars have been harboring secrets about the red planet's mysterious past.

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

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

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

After over 11 years of exploring the harsh Martian landscape, NASA’s Curiosity Rover is showing visible signs of wear and ...

Researchers in Western Australia have found the remnants of a nearly 3.5-billion-year-old impact crater – making it the oldest worldwide. This groundbreaking discovery sheds new light on Earth's early ...

Trump's "emergency" decrees aren't just unconstitutional. They're dangerous to all of us. Congress should undo the law ...