Scientific American

Electric vehicles leave behind mountains of dead lithium-ion batteries. A new “injection” brings them back to life

Nothing in the cosmos is in equilibrium, which means entropy is on the rise

NASA has quietly taken steps to prepare for a death in space. We need to ask how nations will deal with this inevitability now, as more people start traveling off the planet

The latest version of Grok, the chatbot created by Elon Musk’s xAI, is promoting fringe climate viewpoints in a way it hasn’t done before, observers say

Clouds of dust blown off the Saharan Desert into the southeastern U.S. could affect local weather and make sunrises and sunsets particularly vivid

Sunshine may hold healing rays for a variety of autoimmune diseases such as multiple sclerosis. Scientists are turning this surprising discovery into treatments