For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

Astronomers using the Green Bank Telescope spotted surprisingly cold, dense hydrogen clouds embedded inside the Milky Way’s ...

In the vast expanse of the universe, there are cosmic giants so enormous that they stretch our understanding of scale and ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than ...

Images of the cosmos, such as the James Webb Space Telescope’s deep space snapshot, make space look chock-full of stuff. In ...

Are we living in a cosmic void? New theory suggests our galaxy sits in a giant hole warping the universe's expansion.

Astronomers have studied the globular cluster 47 Tucanae extensively, but still have many questions. It may have an ...

The Earth, the solar system, and the entire Milky Way are stranded near the centre of a giant, mysterious hole where the ...

Figuring out the ages of stars is fundamental to understanding many areas of astronomy—yet, it remains a challenge since ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...