Cloudina was a thin-shelled sea creature that existed about 545 million years ago, and many scientists believe that it played a major role in building the first reefs. Princeton University ...

A 36-year-old Crystal Lake man was killed Thursday when a 1,000-pound machine fell on him during a routine cleaning operation at a Vernon Hills business. Scott Zuchristian was walking in front of a ...

NASA's Perseverance rover is digging deeper into Mars' geologic past as it begins grinding into Red Planet rock surfaces to expose material that could hold clues to the planet's ancient environment ...