A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

Archaeologists often seek to understand ancient cultures by studying images left behind on rock faces. While these images ...

Observing the wonders of the night sky begins with selecting the right telescope. Join us on Nov. 20, 2025, at 9:00 am EST ...

In 1919, physicist Theodor Kaluza hypothesized that extra dimensions might solve some outstanding problems in physics. And ...

The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. As humans began to ...

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.

In a groundbreaking development in the field of astronomy, scientists may have captured the first direct image of dark matter, nearly 100 years after it was first theorized. This invisible yet ...

Space looks very dark from Earth. But does the solar system, and the universe for that matter, have an area that's the darkest of all?

Discover James Webb discoveries revealing the JWST early universe, cosmic dawn insights, and groundbreaking new space ...

CINCINNATI (WKRC) - Astronomers have found the largest known object in the universe, and its over 1 billion lightyears long and hundreds of thousands times bigger than the Milky Way. Although space is ...

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 ...

The landscape of astronomy really changed in the 1860s, when the development of spectroscopy ushered in a new era of understanding the universe: the era of astrophysics. Finally, astronomers could ...