How did a Cepheid variable star help Edwin Hubble prove the Andromeda Nebula was a galaxy? Roger BradySan Quentin, California ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than ...

Earth and the surrounding Milky Way galaxy may be sitting inside a cosmic void—a "mysterious giant hole"—that could be ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than ...

Scientists have proposed a wild new theory at the Royal Astronomical Society's National Astronomy Meeting (NAM) in Durham - Earth, along with the entire Milky Way galaxy, may be situated within a ...

Baryon acoustic oscillations (BAOs) – the “sound of the Big Bang” – support the idea of a local void. Gabriela Secara, ...

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...

Edwin Hubble uses the telescope at the Mount Wilson Observatory. Photo by Ann Ronan Pictures/Print Collector/Getty Images Print Collector. Estimating distances in astronomy is challenging.

Astronomers suggest Earth may sit in a giant cosmic void. This could explain the faster local universe expansion, known as 'Hubble tension.' ...

However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the ...