At first glance, the darkness of space seems obvious — but according to physics, it shouldn’t be dark at all. Known as Olbers ...

The Standard Model of our universe doesn’t match the evidence, in part because of dark energy, a ghostly force pushing the ...

Here’s what you’ll learn when you read this story: A new paper adjusts an equation that defines our universe in response to recent new data. The cosmological constant, which describes how our universe ...

NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into ...

Here’s what you’ll learn when you read this story: A backward, mirror universe could explain the existence of dark matter. If an anti-universe exists, it would run backward in time, before the Big ...

Astronomers are using radio pulses from space to find missing baryonic matter and learn about supermassive black holes, stellar formation and galaxy evolution. When you purchase through links on our ...

Scientists led by a team from the University of Chicago recently released a study that mapped some of the largest known objects in the universe. The study may help scientists test theories about how ...

Scientists have released a new study that catalogues the universe by mapping huge clusters of galaxies. These clusters are some of the largest known objects in the universe — and they can help ...