For a quarter century, cosmologists have treated dark energy as a fixed, featureless pressure that steadily drives galaxies apart. Now a convergence of massive sky surveys and giant computer models is ...

A faint, irradiated streak carved into nearby interstellar clouds is giving astronomers their clearest evidence yet that two ...

The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer ...

An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

The FLAMINGO super simulation maps the universe from its earliest moments but finds galaxies cluster less than cosmological ...

A puzzling cosmic blast detected in both light and gravitational waves may hint at a previously unseen type of explosion, ...

The James Webb Space Telescope and other international observatories have spotted a 13-billion-year-old supernova. On Tuesday, the European Space Agency (ESA) announced the sighting of a gamma-ray ...

In what used to be a dry cleaner's on Sunset Boulevard, Robert Lempert listened, hands clasped behind his back, as his neighbors finally took a moment to step away from recovery’s endless stream of ...

Hidden within Cassiopeia A, the youngest known exploded star in our galaxy, astronomers have found surprisingly high levels of chlorine and potassium. These elements carry an odd number of protons in ...

This weekend, the beloved community festival SUPERNOVA returns for its biggest celebration yet as it marks its 10-year milestone at The Lafitte Greenway. The three-day, free, family-friendly, ...