Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to ...

The Earth might be near the center of a vast low-density void in space, which could explain one of the cosmos's greatest ...

One of the main objectives of the Hubble Space Telescope, launched in 1990, was to measure the size and age of the Universe, ...

New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

Lead researcher Dr. Isabel Santos-Santos said, “We know of about 60 companion galaxies around the Milky Way, but we think ...

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

The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe, ...

Astronomers claim to have found new evidence supporting a controversial observation that our galaxy is residing in an ...

Some faint stars may not burn with fusion but with dark matter itself. These "dark dwarfs" could be the long-awaited clue to ...

The Center, which will allow for better understanding of the theories of the universe, is a collaborative research initiative between the Max Planck Society for the Advancement of Science (MPG) in ...

Scientists have proposed Earth is in the middle of a huge void in space, potentially resolving the cosmic mystery known as ...

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