Some of the darkest objects in the universe are also among its brightest beacons, lighting up entire galaxies while their neighbors stay strangely subdued. The latest generation of supercomputer ...

Artist's conception of early starbursting galaxies. UC Davis astronomers collaborated on new simulations showing how bright galaxies could emerge early in the universe. Stars and galaxies are shown in ...

As planetary systems evolve, gravitational interactions between planets can fling some of them into eccentric elliptical orbits around the host star, or even out of the system altogether. Smaller ...

When high explosives are subjected to sudden shock waves, such as from an impact or detonation, tiny regions of intense heat—called hot spots—form at microstructural defects such as pores. These hot ...

Looking under the microscope, a group of cells slowly moves forward in a line, like a train on the tracks. The cells navigate through complex environments. A new approach by researchers involving the ...

Every few hours, without warning, certain galactic centers light up in soft X-rays and then go dark again — a rhythmic pulse from deep inside a distant galaxy with no obvious trigger. Since the first ...

Climate changes in the tropical Pacific have temporarily put the brakes on rapid warming and ice melting in Greenland. A puzzling, decade-long slowdown in summer warming across Greenland has been ...