Part of the reason scientists have settled on the Big Bang theory as the best explanation of how the Universe came into being is because of an 'afterglow' it emits – but a new study suggests we may ...

The tension started to emerge from different datasets in the 2000s, mainly from the Hubble Space Telescope, and also recent ...

Scientists have taken another step toward understanding dark energy by peering through a cosmic cloud of water vapor billions of light-years away from Earth. Dark energy is the name given to the ...

Given how unfathomably large the universe is, it is perhaps understandable that we haven’t yet cracked all its secrets. But there are actually some pretty basic features, ones we used to think we ...

For years, we’ve believed that the universe is a vast, uniform expanse, with the same properties stretching across the cosmos ...

A new study from an international team of researchers suggests that the universe may be "lopsided", and it could be a huge ...

Discrepancies exist between the Hubble constant values derived from cosmic microwave background (CMB) radiation measurements (approximately 68 km/s/mpc) and those from supernova observations ...

NEW ORLEANS — Astronomers using a NASA space telescope have discovered a region of the sky with a mysterious concentration of some of the universe's highest-energy radiation. The astronomers were ...

PASADENA, Calif.–The Big Bang is widely considered to have obliterated any trace of what came before. Now, astrophysicists at the California Institute of Technology (Caltech) think that their new ...

PITTSBURGH-In findings reported today by the journal Science, a team of Carnegie Mellon University and University of Maine astrophysicists say they have confirmed the existence of acoustic ...

Research by the Atacama Cosmology Telescope collaboration has led to the clearest and most precise images yet of the universe’s infancy, the cosmic microwave background radiation that was visible only ...

Using a powerful new instrument at the South Pole, a team of cosmologists has produced the most detailed images of the early Universe ever recorded. The research team, which was funded by the National ...