When astronomers used the JWST to look at a galaxy more than 12 billion light years away, they were also…
Life doesn't appear from nothing. Its origins are wrapped up in the same long, arduous process that creates the elements,…
Earth's oxygen-rich atmosphere does more than provide the foundation for complex life. The oxygen in the atmosphere is so reactive…
Jupiter is the most-visited planet in the Solar System, thanks largely to NASA. It all started with Pioneer 10 and…
Our modern telescopes are more powerful than their predecessors, and our research is more focused than ever. We keep discovering…
Trees are like sentinels that preserve a record of shifting climates. Their growth rings hold that history and dendrochronology studies…
Life might have wiped itself out on early Mars. That's not as absurd as it sounds; that's sort of what…
Astronomers have spotted barium in the atmosphere of a distant exoplanet. With its 56 protons, you have to run your…
Finding oxygen in an exoplanet's atmosphere is a clue that life may be at work. On Earth, photosynthetic organisms absorb…
Earth's oceans are one huge, uniform electrolyte solution. They contain salt (sodium chloride) and other nutrients like magnesium, sulphate, and…