It's so detailed, you can see plumes emanating from power plants, wildfires and cities. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. One of ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Earth’s atmosphere wasn’t always like it is today. The oxygen ...

Using a highly sensitive mass spectrometer capable of detecting trace chemicals, the researchers discovered that their early Earth simulation created an entire collection of sulfur biomolecules. These ...