Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

Physicists predict the universe’s expansion will reverse, ending in a dramatic big crunch about 20 billion years from now.

Most cosmologists believe that these stars were the first large, free-floating structures to illuminate our universe, and that black holes appeared later. But some have proposed that it went the other ...

Cosmologists can now explore data faster than ever before with a new emulator. As astronomers continue to uncover the mysteries of the universe, their work generates increasingly vast and intricate ...

The universe is approaching the midpoint of its 33-billion-year lifespan, a Cornell physicist calculates with new data from ...

A controversial prediction about black holes and the expansion force of the universe could explain a cosmology mystery ...

As the study of the universe evolves and the data sets get larger and more complex, a new breakthrough means researchers can analyze huge data sets with just a laptop and a few hours.

Join the celebration of International Astronomy Day by looking up at the spectacular southern night sky, engaging in exciting ...

George Fitzgerald Smoot III, whose experiments about space provided some of the most convincing evidence that the universe ...

The Atlantic Daily, a newsletter that guides you through the biggest stories of the day, helps you discover new ideas, and recommends the best in culture. Sign up for it here. To study the origins of ...