Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have discovered a rare group of five dwarf galaxies located relatively close to Earth; these galaxies exist in a ...

The LIGO/Virgo/KAGRA Collaboration, a large group of researchers at different institutes worldwide, has recently set the strongest constraints on cosmic strings to date, using the Advanced LIGO/Virgo ...

While astronomers know that the cosmic web exists, how it evolved into what it is today largely remains a mystery. However, using NASA’s James Webb Space Telescope (JWST), a team of astronomers have ...

Remember that time in the Lord of the Rings lore when the dwarves of Moria dug too greedily and too deep, unearthing the Balrog, an ancient horror not meant to roam free in the modern age? Cosmic ...

Cosmic strings are artifacts of what the universe looked like in the moments before it rapidly changed from a high-energy to low-energy environment—the Big Bang. Today, scientists believe cosmic ...

Quantum field dynamics in the presence of cosmic strings explores how one-dimensional topological defects, arising in various grand unified and string-theoretic models, imprint distinctive signatures ...

Paul M. Sutter is an astrophysicist at The Ohio State University, host of Ask a Spaceman and "Space Radio," and author of "Your Place in the Universe." Sutter contributed this article to Space.com's ...

The Nature Index 2026 Research Leaders reveal the leading institutions and countries/territories in the natural sciences, health sciences, applied sciences and social sciences, according to their ...

Sabiu explained why the discovery of these dwarf galaxies challenges our best theory of cosmic evolution, the standard model of cosmology, or the Lambda Cold Dark Matter (LCDM) model. "This discovery ...