The universe's first galaxies were hot messes, according to a recent study. During their younger days, they were wild, chaotic bundles of turbulent gas, churned up by huge gulps of intergalactic gas, ...

Ice cores from Antarctica reveal "snapshots" from 6 million years of Earth's climatic history. Antarctica is far more than just a bucket-list destination for travelers and a home for penguins. It's a ...

An international team of scientists, led by the University of Oxford, has achieved a world-first by creating plasma "fireballs" using the Super Proton Synchrotron accelerator at CERN, Geneva, to study ...

The detection of a potentially rocky world around a nearby star opens up unprecedented prospects for the atmospheric ...

The interstellar visitor 3I/ATLAS is baffling scientists. It brightened far faster than expected near the Sun, raising questions about its internal chemistry and host system.

A new international study has provided one of the clearest signs yet that dark matter—not a change in gravity—is responsible for the mysterious way galaxies spin. By studying some of the smallest and ...

As a joke, she labelled it LGM 1 for “Little Green Men”, but the astronomers working on it did not really believe they had ...

The Smithsonian is one of the world’s foremost research centers in science, the arts, and the humanities. In addition to ...