In the vast depths of the universe, a gravitational ballet lasting hundreds of millions of years is unfolding. Two black ...

Diagram illustrating gravitational lensing ... This could be a clue about how galaxies came together in the early Universe, ...

The current theoretical model for the composition of the universe is that it's made of normal matter, dark energy and dark matter. A new University of Ottawa study challenges this. A study, published ...

"It is larger than the size of most anything to which it might be compared." The universe's largest structure, the Hercules-Corona Borealis Great Wall, was already a challenge to explain with models ...

The universe is still expanding at an accelerating rate, but it may have slowed down recently compared to a few billion years ago, early results from the most precise measurement of its evolution yet ...

Reviving an almost century-old hypothesis, a new study led by Rajendra Gupta at the University of Ottawa based on data from the James Webb Space Telescope (JWST) suggests that the universe may be ...