For the first time, scientists found signs of air around a rocky, Earth-like planet in the “just right” zone where water can stay liquid. It sits 48 light-years away. They think it may be a frozen water-world with an ocean — the best place yet to look for water beyond our solar system. See what they found. ›
In the Swiss city of Bern, people swim home from work. The Aare river is so clean and moves so fast — quicker than walking — that locals trade their suits for swimsuits and float home. The water comes straight from Alpine glaciers. See how they do it. ›