Articles for tag: Cosmic perspective, Expanding Universe, Space Discoveries, Universe explained

an artist's impression of a planet and a star

10 Cosmic Discoveries That Redefined Our Place in the Universe

Suhail Ahmed

Every so often, astronomy pulls the rug out from under us and replaces our quiet mental picture of the cosmos with something stranger, bigger, and far less comforting. In just a few human lifetimes, we’ve gone from thinking of Earth as the calm center of creation to realizing we live on a small rock orbiting ...

an artist's impression of a black hole in the sky

Is The Universe Actually Infinite? Here’s What Astrophysicists Say

Suhail Ahmed

  Stand outside on a clear night, and the sky looks like it goes on forever. For most of human history, that feeling was all we had: a gut-level sense that the cosmos is boundless. Now, powerful telescopes and sharp mathematical tools are forcing a tougher question: is the universe truly infinite, or just unimaginably ...