Not all stars are created equally. Astronomers believe that the first stars to form after the Big Bang were mostly made of ...

However, the diameter of the observable universe is said to be over 900 billion light-years, right? Oh yes, the Beijing Planetarium previously calculated it to be around 920 billion light-years. Just ...

The low carbon levels are particularly interesting, as previously discovered “pristine” or metal-poor stars generally ...

Even before the first stars lit up the Universe, the Cosmos was not the cold place most researchers once imagined. New ...

"The research suggests this heating is likely driven by the energy from early sources of X-rays from early black holes and stellar remnants spreading through the Universe," said Professor Cathryn ...

Join the celebration of International Astronomy Day by looking up at the spectacular southern night sky, engaging in exciting ...

Explore the universe with multi-messenger astronomy, combining light, gravitational waves, neutrinos, and cosmic rays for a ...

Astronomers have long thought the universe should look generally the same in every direction, but an anomaly in the radiation ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

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

Elon Musk has counted previous flight tests as successes. Scientists at UT Austin claim the first provable quantum supremacy, showing a 12-qubit system beat classical computers—paving the way for real ...