Two new studies have measured the expansion of the universe in our immediate cosmic neighborhood using a novel method that ...

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

Astronomers have discovered a flattened structure of matter around the Milky Way that explains the unusual motion of nearby ...

Whether or not galaxies merge depends on how strong the gravitational attraction is between the galaxies and whether the universe's expansion is more powerful than gravity. Gravity affects everything ...

Astronomers said in a statement that the enormous concentration of galaxies had long remained largely hidden behind dense ...

An international research team has found that the Milky Way and its galactic neighbors appear to sit inside a vast, flat ...

Earth’s gravity has a lot to do with what people think is up and what is down. Things fall down toward the ground, but that ...

Like tiny photobombers, cosmic anomalies resembling small, bright red points show up in almost every snapshot taken by the ...

Milky Way season, when the galaxy's bright center is visible, is underway. The best viewing time in the Northern Hemisphere ...

For decades, scientists have tried to measure how fast the universe is expanding. This expansion rate is known as the Hubble ...

Billions of stars fill our galaxy that become visible at certain times of year. And in the U.S., that time, known as "Milky Way season," is beginning.