Tony Tyson’s cameras revealed the universe’s dark contents. Now, with the Rubin Observatory’s 3.2-billion-pixel camera, he’s ...

The James Webb Space Telescope (JWST) has provided groundbreaking insights into the Bullet Cluster, a cosmic collision zone ...

The NASA/ESA Hubble Space Telescope has unveiled a stunning image of the Abell 209 galaxy cluster, located 2.8 billion ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

Marking its 50th anniversary in 2025, the European Space Agency is revolutionising our understanding of the cosmos with the ...

With the recent first light milestone for the Vera Rubin Observatory, it's only a matter of time before one of astronomy's most long-awaited surveys begins. The Legacy Survey of Space and Time (LSST) ...

Beyond the glittering hundred-plus galaxies lies an invisible stew of X-ray-hot gas and dark matter that outweighs normal ...

In a landmark moment for modern astronomy, the Vera C. Rubin Observatory has unveiled its first-ever test images, and they’re ...

Dark dwarfs, stars composed of dark matter, may be the optimal objects in which to finally discover physical dark matter in the real world.

Dr. Caitlin Casey, an observational astronomer, has recently joined the physics department at UC Santa Barbara. She co-leads the C.O.S.M.O.S. collaboration — a project distinguished by its deep ...

Gravitational lensing is the relativistic deflection, magnification, and time dilation of signals travelling at or close to the "speed of light" through gravitational fields. It is a powerful probe of ...