One such problem, along with dark matter and dark energy, is that the universe looks sort of flat. First, what do we mean by ...

When you look around the universe you live in, it looks like a 3D space, just like the surface of the Earth looks like a 2D ...

The current estimate of the universe’s age is based on what we call the Standard Model of cosmology. This model describes a flat universe that is dominated not just by dark energy, but also by ...

NASA’s SPHEREx mission will survey the entire sky in 102 different “colors” of light, offering scientists an unprecedented ...

This is that the universe should be "flat"—no overall curvature of space. Spectacularly convincing evidence—recent measurements of irregularities in the microwave background radiation ...

Our perception of our environment can deceive us. A map, although flat, effectively guides us through a space that, in ...

This is likely why some people in the past believed the Earth to be flat. But most people now know ... When you look around the universe you live in, it looks like a 3D space, just like the ...

The universe may not be infinite or flat. Physicist Glenn Starkman and his team propose it could have a complex topology, possibly shaped like a 3-torus, resembling a hyperdimensional doughnut.