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 ...

Astronomer Charles Steinhardt said most stars we see "might have formed under different conditions than we previously believed." ...

The universe doesn't come with an instruction manual—but if it did, University of Missouri Assistant Professor Charles ...

"We discovered a galaxy which formed 15 billion times the mass of the sun in stars and then stopped forming stars before the universe was only 700 million years old." ...

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

Scientists using the James Webb Space Telescope have identified an ancient and faraway galaxy that provides evidence that an important transition period that brought the early universe out of its ...