Roughly 4.5 billion years ago, the young solar system was a swirling cloud of gas and dust that formed the first asteroids ...

Scientists at MIT and elsewhere have discovered extremely rare remnants of "proto Earth," which formed about 4.5 billion ...

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A ...

CI chondrites are the most water- and volatile-rich of meteorites, with compositions similar to space rocks like Ryugu and Bennu. They are very porous and 'wet', with up to 20 percent of their weight ...

Comet Lemmon, a rare astronomical event that won’t happen again for 1,000 years, is set to light up our skies later this week ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

Geologists in Massachusetts made a groundbreaking discovery that could significantly alter what we know about the Earth's ...

The discovery, published in Nature Geoscience, provides unprecedented insight into the chemical building blocks that formed our planet and challenges long-held assumptions about the complete ...

MIT scientists have discovered ancient rock samples from Greenland, Canada, and Hawaii exhibiting a rare potassium-40 deficit ...

Deep rock samples from Greenland, Canada, Hawaii reveal remnants of planet’s 4.5-billion-year-old precursor, offering new ...