Imagine a healthy planet with healthy humans living on it: the world has embarked on a path to clean energy, clean air and fresh water; we are feeding ourselves without compromising land or sea ...

Explore Earth Day 2025’s theme, debates, and justice-driven solutions for a cleaner, equitable, and sustainable planet.

Typical red dwarf stars are magnetically active, which causes them to project frequent X-ray ... "Thrillingly, this planet is the closest Earth-sized and temperature planet we know", and that ...

Using the Keck Telescope in Hawaii, UC Berkeley researchers observed a planetary system, KMT-2020-BLG-0414, with an Earth-sized planet in a ... future refuge for humanity, potentially evolving ...