How old is the universe? Learn more about the age of the Universe, from it's explosive beginnings to how we on Earth can ...

(via Sabine Hossenfelder) In the Big Bang Theory, the cosmic microwave background — microwave-range radiation that floats through the entire universe at a steady 2.7 Kelvin — is evidence that a hot ...

American institutions collaborated on project that takes Chinese search for primordial gravitational waves ‘onto the ...

Earth and the entire Milky Way galaxy might be sitting inside an enormous, mysterious void—a giant cosmic hole making our universe expand faster right here than anywhere else. This unusual idea, ...

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

Earth may lie in a giant cosmic void, altering our view of the universe's expansion and potentially solving the long-standing ...

Fresh evidence claims that the Earth and the surrounding galaxy are suspended inside a cosmic void based on echoes from the ...

Is it possible to understand the Universe without understanding the largest structures that reside in it? In principle, not ...

Answer 17: A meteoroid is a small rocky or metallic body in space. A meteor is the streak of light produced when a meteoroid ...

Astrophysicists suggest our galaxy may lie inside a "cosmic void" - offering a new explanation for the universe’s conflicting ...

According to a provocative new study, that might just be our cosmic address. This idea is meant to solve one of the biggest puzzles in cosmology: the Hubble tension. This long-standing discrepancy ...

Evidence is mounting that cosmic dark energy, long thought constant, may weaken with time - potentially altering the fate of the universe.