Explore 10 mind-blowing theories about what lies beyond the universe, from the multiverse and higher dimensions to the mysteries of dark energy and cosmic bubbles.

The grandfather paradox is just one of the thorny logical problems that arise with the concept of time travel. But one ...

Of all the unanswered questions in modern science, perhaps the most talked about is whether we are alone in the universe. A ...

Researchers are one step closer to understanding the universe after tracing a powerful radio burst's origins to a magnetar ...

In the last couple of decades, it’s become increasingly clear that massive galaxies like our own Milky Way host supermassive ...

Scientists have found a massive black hole that is "napping" after stuffing itself with too much food in perhaps what is the ...

This suggests that NGC 5084 is host to a supermassive black hole tipped on its side, and scientists think it could be ...

The universe is vast and full of mysteries, and recent advancements in astronomy are helping us uncover secrets about deep ...

Astronomers found a massive black hole that spent ages in a "quiet" phase when everything around it in the early universe ...

Looking at a distant galaxy means looking back in time.

The revolutionary James Webb Space Telescope and next-gen radio telescopes are probing what’s known as the epoch of ...