So what does the edge of the universe look like? Initially, I thought it might be like Earth's atmosphere, with a vacuum outside. But then I learned that's not the case at all. A ...

So what does the edge of the universe look like? At first, I thought it might be like Earth’s atmosphere, where outside is ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole ...

The universe is unimaginably vast. Even the nearest stars are incredibly far away. Our galaxy is just one of billions. Traveling vast cosmic distances requires immense energy. Key takeaways sponsored ...

When you bake a loaf of bread or a batch of muffins, you put the dough into a pan. As the dough bakes in the oven, it expands into the baking pan. Any chocolate chips or blueberries in the muffin ...

The question of whether the universe has an edge touches one of the deepest mysteries in cosmology. It’s the kind […] ...

(via Sabine Hossenfelder) Is the universe really infinite? Or could it close back on itself like a sphere? If it’s infinite, how can it expand? And is it true that there might be copies of you in it?

Recent research by a team of Australian psychology professors tested the impact that focusing on the enormity of the universe has on mental health, feeling connected to others, and empathy. Before I ...