Astronomers use many methods to determine this number, including gravitational lensing, the universe’s expansion rate, and more.

In fact, the Euclid Consortium, the international group managing the European Space Agency's Euclid space telescope, just ...

Astronomers find early Universe was warm before stars formed, ruling out a cold start to cosmic dawn using decade-long MWA ...

However, the diameter of the observable universe is said to be over 900 billion light-years, right? Oh yes, the Beijing ...

This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly ...

Our Universe was 'pre-heated' in its early moments, according to a new study from the International Centre of Radio Astronomy Research (ICRAR), challenging assumptions it emerged from an ultracold ...

Dark matter is a type of matter that does not emit, absorb, or reflect light, making it invisible to telescopes.

Astronomers using the Webb Telescope may have found a new type of object: cold, glowing black hole stars from the early ...

A new study from Tel Aviv University has predicted, for the first time, the groundbreaking results that can be obtained from ...

What is the source of dark matter and how can astronomers identify it? This is what a recent study published in Nature Astronomy hopes to address as an int | Space ...

The key test passed by sPHENIX to prove it is ready to measure the properties of quark-gluon plasma is called a "standard candle" in particle physics. This isn't to be confused with Type 1a supernovas ...

The universe's matter-antimatter asymmetry, where matter significantly outweighs antimatter despite their theoretically equal creation at the Big Bang, remains a major unsolved problem in physics.