For decades, scientists have been puzzled by the missing mass in the universe. While we know that about 85% of the universe is made up of dark matter, the remaining 15% is made up of normal (baryonic) ...

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s matter. The rest is mysterious dark matter. But even that modest slice didn ...

In recent years, one of the most troubling puzzles in astrophysics has grown more urgent. Scientists have realized that the ...

A new analysis of astronomical data suggests unknown physics is at work assisting dark energy in acting almost as ...

Scientists discover ancient galaxy created early transparent bubbles, challenging cosmic timeline of universe formation.

The collaboration measured the polarization of light from the cosmic microwave background (CMB ... other galaxies, and galaxy clusters. In a sense, it's tracing the evolution of the universe ...

The Webb Space Telescope has captured a plume of gas and dust streaming from a star in the making, with a spiral galaxy as a ...

A powerful “Cosmic Tornado” has received a high-definition glow-up thanks to NASA’s James Webb Space Telescope (JWST). The new look at Herbig-Haro 49/50 (HH 49/50) released today also answers a ...

Astronomers have discovered that the Small Magellanic Cloud, a nearby dwarf galaxy, is being torn apart by the gravitational ...

Nicknamed the “Big Wheel,” a giant, spiral-shaped disk galaxy was spotted in an unusually crowded part of the early universe just two billion years after the big bang ...