CALGARY, Canada — Mars once breathed carbon in and out just like Earth does today. NASA’s Curiosity rover has uncovered evidence that the Red Planet had its own version of Earth’s carbon cycle, a ...
Around 252 million years ago, life on Earth suffered its most catastrophic blow to date: a mass extinction event known as the “Great Dying” that wiped out around 90% of life. What followed has long ...
A complex form of carbon crucial for life on Earth has been spotted outside the solar system for the first time. Its presence helps show how the compounds needed for life could come from space. The ...