New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

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

Physicists have created a 3D shape called the cosmohedron, which can be used to reconstruct the quantum wavefunction of the ...

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

For decades, scientists assumed that the expansion of the universe was powered by a new entity, known as the inflaton, but ...

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

When we turn to “complex” extraterrestrial life or “intelligent” aliens, our results were 67.4 percent agreement, and 58.2 ...

For Panama Canal visitors, here’s a guide to experiencing and understanding the mega engineering project that captivates the ...

Strange "right-handed" neutrinos may be responsible for all the matter in the universe, according to new research.

Found less than a billion years after the Big Bang, these massive objects are upending astronomers’ timeline for how early ...