Quasars are among the oldest, brightest objects in the universe. Formed from active galactic nuclei ... toward us—a cone in ...

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

Across cosmic history, powerful forces have acted on matter, reshaping the universe into an increasingly complex web of ...

The universe is vast, a size beyond what many of our imaginations can deal with, but modern technology helps shine a light.

Researchers studied how the universe’s structure changed over time. They found that the universe is less clumpy than expected ...

New research confirms the Universe is expanding faster than theoretical models predict, intensifying the Hubble tension.

The early universe experienced a phase of rapid expansion, known as inflation. For decades, cosmologists assumed that this ...

With winds blowing at 20,500 mph, "the planet has complex weather patterns just like Earth and other planets of our own ...

The new Absolute Universe has been a massive hit, but I'll be the first to admit that I was skeptical at first. Luckily, ...

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

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

This is called the “heat death” of the Universe, but you can think of it instead as the death of heat. There will be no more differences in temperature anywhere, which means thermodynamics shuts down, ...