Earth and the entire Milky Way galaxy might be sitting inside an enormous, mysterious void—a giant cosmic hole making our universe expand faster right here than anywhere else. This unusual idea, ...

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

Some physicists think our reality is a kind of cosmic hologram, with space, time, and gravity as manifestations of a ...

Space is cold, and research has shown time and time again that space ice is prevalent throughout the universe. However, ...

The Nigerian-Canadian musician tells Rolling Stone about following up her award-winning debut Good Luck, falling in love, and ...

Astronomy fans can zoom in practically forever into the stunning first images from the Vera C. Rubin Observatory ...

The multinational scientific collaboration COSMOS releases the largest map of the universe, going back to almost the beginning of time ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Sound waves 'fossilized' in the arrangements of galaxies across the Universe support the theory that the Milky Way galaxy ...

There are new hints that the fabric of space-time may be made of "memory cells" that record the whole history of the universe. If true, it could explain the nature of dark matter and much more ...

Nearly 50 years ago, physicists floated a bold idea: our universe might be stuck in a false vacuum. This state feels stable, ...

Voids are not exactly empty (actually, the missing matter of the universe is spread there), and lonely galaxies and small groups might end up in one of those. But those galaxies would be pulled out of ...