An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

If dark stars existed, they would have been capable of forming in the universe before ordinary stars could have formed. When ...

New observations from the James Webb Space Telescope have revealed unexpected features in the early universe, including ...

There may not be as nearly as many small galaxies in the early universe as astronomers predict there should be, which has big ...

Observations of ultra-massive galaxies, each containing more than 100 billion stars, show that less than 2 billion years ...

A 'shadow' cast on the faint, leftover glow of the Big Bang has revealed a giant object in the early Universe that defies our ...

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

A team of astronomers looking at galaxies in the universe’s distant past have discovered nine young, compact galaxies, each weighing in at 200 billion times the mass of the Sun. Imagine receiving an ...

A radical new theory regarding the origin of the universe suggests that gravitational waves, tiny ripples in spacetime first predicted by Albert Einstein back in 1915, could have given rise to cosmic ...

Astronomers found a young galaxy cluster with unexpectedly hot gas, suggesting cosmic structures formed faster than once ...

An international team of astronomers has uncovered multiple evolutionary paths for the universe's most massive galaxies. Observations of ultramassive galaxies, each containing more than 100 billion ...