A new NASA space observatory is scheduled to launch into orbit this week on a lofty mission to map more than 450 million ...

A new way to study 3D maps of galaxies in the cosmos without compressing the data is revealing new information about the dark universe.

The European Space Agency has embarked on a new initiative under its Euclid project, which aims to study the impact of dark matter and energy on the visible Universe. Collaborating with the Galaxy ...

Have you ever wondered how astronomers manage to map out the Milky Way when it's so incredibly vast? One of the most powerful ...

Sometimes astrophysicists distinguish between the visible universe, which includes only signals emitted since recombination (when hydrogen atoms were formed from protons and electrons and photons were ...

The visible universe—including Earth, the sun, other stars, and galaxies—is made of protons, neutrons, and electrons bundled together into atoms. Perhaps one of the most surprising discoveries ...