Astronomers have recorded the most luminous flare ever emitted by a black hole—an event so extreme it briefly outshone the ...

A peculiar object discovered by the James Webb Space Telescope just 700 million years after the Big Bang could reveal the ...

For several decades, evidence has suggested that the expansion of the universe is accelerating. Crucial to those estimates ...

If it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black ...

A remarkable new study challenges the findings of Nobel Prize winning research into how our universe has changed over time.

Led by doctoral student Tatsuya Kotani and Professor Tomoharu Oka from Keio University, the research team measured the ...