An international team of astronomers led by David Pinfield of the University of Hertfordshire has found a brown dwarf that is more than 99% hydrogen and helium.

Penn State University astronomers have discovered record-breaking radio waves from an ultra-cool star that is not much warmer than the planet Jupiter.

Astronomers from the University of Bonn in Germany have discovered a vast structure of satellite galaxies and clusters of stars surrounding our Galaxy, stretching out across a million light years.

According to a new study, large amounts of dark matter do not surround the Sun, despite some widely accepted theories.

After a search that has lasted roughly three-quarters of a century, researchers believe they have at long last discovered evidence of an elusive particle that could be its own anti-particle.