Observations of a galaxy from an early period of the Universe’s history reveal a bar-shaped structure and gas dynamics thought not to have been possible at that time. In broad brushstrokes, galaxies ...

WASHINGTON, Jan 30 (Reuters) - Observations by NASA's James Webb Space Telescope and Chandra X-ray Observatory are providing fresh evidence that the universe grew up a lot more quickly than previously ...

The brightest quasar ever seen in the young cosmos is powered by a black hole that appears to be breaking the universe’s own growth rules. It is devouring matter at a rate that standard physics says ...

Astronomers have identified three ultra-massive galaxies -- nearly as massive as the Milky Way -- already in place within the first billion years after the Big Bang. This surprising discovery was made ...

Astronomers have characterized the largest-ever early-Universe radio jet. Historically, such large radio jets have remained elusive in the distant Universe. With these observations, astronomers have ...

The early universe experienced a phase of rapid expansion, known as inflation. For decades, cosmologists assumed that this expansion was powered by a new entity in the universe, known as the inflaton.