Impossibly powerful 'ghost particle' that slammed into Earth may have come from an exploding black hole — and it could upend both particle physics and cosmology

A supercharged neutrino that smashed into our planet in 2023 may have been spit out by an exploding primordial black hole ...
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'Planet Y' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than 'Planet Nine'

Astronomers believe they have uncovered evidence of a previously unknown ninth planet lurking in the not-too-distant reaches of the solar system. This hypothetical world, dubbed "Planet Y," could be ...
Science Daily

MIT finds traces of a lost world deep within planet Earth

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A unique imbalance in potassium isotopes points to remnants of “proto Earth” ...
Science Daily

How Earth endured a planet-wide inferno: The secret water vault under our feet

When Earth was a molten inferno, water may have been locked safely underground rather than lost to space. Researchers discovered that bridgmanite deep in the mantle can store far more water at high ...