If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. Space is big, and ...

Galaxies "blazing with technosignatures" could suggest the existence of a "large number" of "different metasocieties." ...

A new AI-powered method is changing how scientists measure the universe. Developed by researchers at the Flatiron Institute and their partners, this technique offers a far more accurate way to ...

The discovery that the universe extends beyond the Milky Way galaxy was a pivotal moment in astronomy. In 1925, astronomer Edwin Hubble identified a Cepheid variable star, known as V1, in the ...

In fact, the Euclid Consortium, the international group managing the European Space Agency's Euclid space telescope, just ...

Scientists have found a remarkably small yet bright object from the early universe that doesn’t make sense in our existing models of how stars and galaxies formed, even our own Milky Way. That means ...

The James Webb Space Telescope's latest image shows eight spectacular examples of gravitational lensing, a phenomenon that ...

An international team of scientists has unveiled the largest and most detailed map of the universe ever created using the James Webb Space Telescope, revealing nearly 800,000 galaxies stretching back ...

A monster galaxy from the early universe shows that the cosmos was rich with oxygen when it was only less than 3% of its present age, astronomers have found. The discovery raises questions about how ...

About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity. Published in 1915, and already widely accepted worldwide by ...

(CNN) — New hints from one of the most extensive surveys of the cosmos to date suggest that mysterious dark energy may be evolving in ways that could shift how astronomers understand the universe.

New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite galaxies—up to 100 more than we currently know. These elusive "orphan" galaxies have ...