Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

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

This is what’s known as the "Purple Earth Hypothesis", an idea first proposed by Professor Shiladitya DasSarma, molecular ...

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

For years, scientists believed the “giant impact” that formed the Moon melted and reshaped the entire young Earth, erasing its original composition. The new MIT findings challenge that view.

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

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

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

For thirteen years, from 2004 to 2017, the Cassini-Huygens mission conducted a detailed survey of the Saturn system. It ...

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

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

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