A new study has pinpointed the timing of the Los Chocoyos supereruption to 79,500 years ago, revealing that its impact on ...
For decades, scientists have puzzled over traces of primordial helium—a rare isotope known as ³He—escaping from volcanic ...
For now, life thrives on our oxygen-rich planet. But Earth’s atmosphere won’t always be so welcoming. In fact, scientists ...
Glaciers once inched toward the sea, gouging rocks. When the ice masses melted, they infused oceans with nutrients that may ...
Explore the fascinating evolution of Mars atmosphere. Discover how it transformed, becoming trapped in its crust's clay ...
Living organisms need nitrogen as a central building block for protein formation, for example. However, although our ...
An asteroid between about 130 and 300 ft. (40 and 90 meters) in diameter has been given a 2.3% chance of it hitting Earth on ...
NASA's EZIE will study auroral electrojets, powerful electrical currents in Earth's atmosphere. This will improve space ...
A supernova explosion about 2.5 million years ago sent cosmic rays to Earth. Around that time, virus diversity in Lake ...
Take, for example, the oxygenation of Earth's atmosphere. For over two billion years after its formation, Earth's atmosphere ...
Imagine floating in space, gazing on a frozen white orb. The ball hangs in the void, lonely and gleaming in the light from ...