NASA's James Webb Space Telescope (JWST) has produced a new image of the Bullet Cluster, which is a titanic collision between ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

NASA’s James Webb Space Telescope began its legendary mission unfolding the secrets of our universe and producing some of the ...

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

Could the universe be spinning like a giant top? This idea, proposed by physicist Nikodem Poplawski, opens surprising ...

According to our best possible understanding of the universe, regular matter is only a small fraction of the matter-energy ...

The NSF-DOE Vera C. Rubin Observatory, a major new scientific facility jointly funded by the U.S. National Science Foundation ...

The James Webb Space Telescope (JWST), launched in 2021, is currently the most powerful space observatory ever built.

The first ever space telescope, the Orbiting Astronomical Observatory 2 (OAO-2), was launched into the low Earth orbit in ...

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

New observations support the idea that hot, diffuse threads of gas called cosmic filaments connect clusters of galaxies ...