This 2023 satellite photo shows the heart-shaped Spirit Lake, which was transformed by the cataclysmic eruption of Mount St.

Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the ...

Located 3,000 miles below the Earth's surface, the inner core is anchored by gravity within the molten liquid outer core. Until now the inner core was widely thought of as a solid sphere.

Researchers at the University of Southern California say they’ve unraveled the mystery of why Earth’s inner core has been slowing, gradually altering the length of a ...

Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward ...

The surface of Earth's inner core appears to be dynamic, changing shape as it rotates, earthquake waves reveal.

Seismic waves suggest the planet's solid inner core is being pulled out of shape – and it has undergone these changes over ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

Deep subsurface microbes are highly diverse, challenging assumptions about life in low-energy environments. This discovery ...

Scientists have uncovered a vast underground biosphere filled with microbial life thriving miles beneath the Earth's surface—a discovery that defies expectations and redefines our understanding of ...

Who's up for back-to-back rocket launches? Weather permitting, two SpaceX Falcon 9 rockets should be visible on the Treasure ...

HWO will be the first space telescope built to find potentially habitable planets and analyze their atmospheres for signs of ...