Our universe appears flat—but this observation still leaves plenty of options for its true shape. In fact, our cosmos could resemble a donut ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

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The fate of the universe is still very much up in the air. Right now it is expanding, at an accelerating rate. If nothing changes, many billions or trillions of years from now the universe would ...

Since humanity's earliest days, people have looked up at the stars, using science, art, religion, philosophy, mathematics, and any other tool at their disposal to better understand the complicated and ...

Many people wonder: if the universe is expanding, is there a point in space that serves as the “centre”? It seems intuitive to ask, how can something expand if there’s no specific starting point? The ...

A University of Birmingham scientist has built a "mini-universe" that takes a step toward answering one of science's biggest questions: "What is time?" Publishing his findings in Physical Review ...

For millions of years following the Big Bang, after the universe’s roiling soup of particles had cooled, the cosmos was a dark and boring place. There were no stars to make light. No familiar swirls ...

Scientists studying a mysterious effect called cosmic birefringence—a subtle twist in the polarization of the universe’s oldest light—have developed a new way to reduce uncertainty in how it’s ...

Supernovas can become some of the most powerful particle colliders in the universe — but only if they pass a whole lot of gas before they explode, new research finds. For almost a century, astronomers ...

Add Yahoo as a preferred source to see more of our stories on Google. What shape is the universe? This question is far more intriguing and truly unresolved than any debate over the shape of our planet ...