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 ...

The team explores one of the greatest discoveries of modern astronomy - that our universe is expanding - and the new ...

The Big Bang Theory remains the most accepted explanation for how the universe began. This documentary explores the science, ...

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

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

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

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.

Prof. Rennan Barkana & Ph.D. student Sudipta Sikder. A new study from Tel Aviv University has predicted, for the first ...

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 ...