A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

Earth’s magnetic field protects the planet from space weather like cosmic radiation and charged particles from the Sun. The ...

The discovery of ancient water in a planet-forming disk reveals that some of the water found in comets—and maybe even ...

Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects ...

Think of it this way: only around 10,000 decently sized meteorites slam into Earth per year. Meanwhile, the planet is ...

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

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

NASA launched an exoplanet-hunting experiment Oct. 1 despite the government shutdown. After the mission's end on Oct. 2, news ...

Want to try luck with our previous crossword puzzles? The most recent ones can be found below, but you can access the full ...

The dream of living on another planet has intrigued scientists, engineers, and explorers for a long time. Now, the dream is ...

Coccolithophores, tiny planktonic architects of Earth’s climate, capture carbon, produce oxygen, and leave behind geological ...