Large-Scale Structure

Dark Matter Has a Firm Grip on These Galaxies

The elliptical galaxy NGC 1270 lies about 240 million light-years away. But it's not alone. It's part of the Perseus…

1 month ago

Is the Universe a Fractal?

We find examples of fractals everywhere in nature. Tree branches, snowflakes, river deltas, cloud formations, and more. So it's natural…

3 years ago

Simulations of the Universe are Getting Better and Better at Matching Reality

How can you possibly use simulations to reconstruct the history of the entire universe using only a small sample of…

4 years ago

This is the One of the Largest Structures We Know of in the Universe

Using data from the Sloan Digitial Sky Survey, an Indian team of astronomers has discovered one of the largest cosmic…

7 years ago

At the Largest Scales, Our Milky Way Galaxy is in the Middle of Nowhere

A presentation at the June 6th AAS meeting confirms that our galaxy is inside an enormous cosmic void, the largest…

7 years ago

Missing Light Crisis: The Universe Seems a Little Too Dark

There are few moments more breathtaking than standing beneath a brilliant starry sky. Thousands of small specks of light mark…

10 years ago