Scientists closing in on the dawn of plate tectonics
The massive slabs of Earth’s crust might have started their journey more than 3.5 billion years ago.
Uranus’ magnetic forces switch ‘on and off’
Uranus’ weirdness takes a fresh form via a new model of its magnetosphere, just as NASA mulls a return to the icy giant.
How to savor a perfect summer day, in verse
Dungy's new collection of poetry asks us, in spite of the pain or difficulty of being human today, to find joy and vibrancy in our experiences.
This Earth-like planet orbits the Sun’s nearest neighbor every 11 days
Astronomers find an exoplanet that could be habitable—and it’s as close to us as it could possibly be.
Because apparently it’s still an open debate...?…
NASA tracked all 26 letters of the English alphabet using only satellite imagery and astronaut photography.
Albert Einstein's theories of relativity state nothing in the universe is constant, except light. Sean Carroll, a CalTech theoretical physicist, explores the mind-bending consequences.
Just in time for the supermoon lunar eclipse, here are eight things you may not have known about the moon.
The planet Mercury earned a new crater when NASA’s MESSENGER probe smashed into its scorched surface earlier this afternoon. The intentional crash landing ended an 11-year mission that brought us the most intimate peeks at our solar system’s smallest…
