Cosmology

Rubin Will Find Millions of Supernovae

The discovery of a few thousand type 1a supernovae over the last few decades has helped measure the expansion of…

20 hours ago

This Quasar Helped End the Dark Ages of the Universe

After the Big Bang came the Dark Ages, a period lasting hundreds of millions of years when the universe was…

1 week ago

James Webb’s Big Year for Cosmology

The James Webb Space Telescope was designed and built to study the early universe, and hopefully revolutionary our understanding of…

1 month ago

Is the Universe a Fractal?

For decades cosmologists have wondered if the large-scale structure of the universe is a fractal: if it looks the same…

1 month ago

How Did Black Holes Grow So Quickly? The Jets

A current mystery in astronomy is how supermassive black holes gained so much heft so early in the Universe. Black…

1 month ago

Has the Universe Been Designed to Support Life? Now We Have a Way to Test it!

The anthropic principle states that the fundamental parameters of the Universe such as the strength of the fundamental forces, have…

2 months ago

Globular Clusters Evolve in Interesting Ways Over Time

Globular clusters are among the oldest objects in the Universe. The early Universe was filled with dwarf galaxies and its…

2 months ago

Why are Some Quasars So Lonely?

At the centre of most galaxies are supermassive black holes. When they are ‘feeding’ they blast out jets of material…

2 months ago

The Connection Between Black Holes and Dark Energy is Getting Stronger

The discovery of the accelerated expansion of the Universe has often been attributed to the force known as dark energy.…

3 months ago

Learning More About Supernovae Through Stardust

Dust grains older than the Sun can tell us about how supernovae enriched the cosmos with heavy elements, but the…

3 months ago