Earth’s 200 Million Year Growth Spurt
Around 3 billion years ago, Earth’s crust ballooned during a massive growth spurt, geoscientists have found. At that time, just 1.5 billion years after Earth formed, the mantle — the … Read more
expansion
Is the Universe Expanding So Quickly Because of “Bumblebee Gravity”?
Physicists have long assumed that the universe is pretty much the same in any direction, and now they’ve found a new way to test that hypothesis: by examining the shadow … Read more