More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...
Our gut is home to a micro-universe of tiny powerhouses, complete with their own genes and immune and metabolic profiles, ...
The escalating challenges of climate change - including prolonged droughts, soil degradation, and unpredictable growing ...
Their trunklike fossils were discovered in 1843. Yet despite more than a century of speculation, scientists have struggled to answer the most basic question about Earth’s original terrestrial giants: ...