BASED on findings published in Astronomy & Astrophysics in December and further reported by Keith Cooper for Space.com, ...

In the dense environment of the early universe, dark matter particles would collide with, and annihilate, each other, releasing energy in the process. This energy could heat the hydrogen and helium ...

Astronomers are closing in on a result so statistically secure that, in their language, it borders on certainty: a 99.9999999 ...

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

An immensely powerful flash detected earlier this year was created by a massive star exploding when the universe was just ...

Our best theory of the universe might be breaking apart! The new data we're receiving from space telescopes is creating more ...

Understanding how the universe transitioned from darkness to light with the formation of the first stars and galaxies is a key turning point in the universe’s development, known as the Cosmic Dawn.

Molecules containing noble gases shouldn’t exist. By definition, these chemical elements — helium, neon, argon, krypton, xenon and radon — are the party poopers of the periodic table, huddling in the ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

A virtual event, "Astronomy Unlocked: How to Choose Your Best Telescope," is scheduled for November 20, 2025, at 9:00 am EST, designed to provide a comprehensive guide to selecting astronomical ...