12 billion years old interstellar comet 3I/ATLAS may be older than the solar system
3I/ATLAS arrived fast, bright, and strange. When astronomers spotted it on July 1, 2025, they knew almost immediately…
World’s Oldest Water is 1.6 billion Years Old — and This Scientist Tasted It
In the deep recesses of a Canadian mine, geochemist Barbara Sherwood Lollar stumbled upon the find of a…