A team of scientists led by expert Raúl Jiménez, ICREA researcher at the University of Barcelona's Institute of Cosmos ...

Is there a universe where time flows backward or where our reality is flipped? The Mirror Universe Hypothesis explores this ...

‘Shocking’ results from a major astronomical study have raised doubts about the standard model of cosmology, forcing scientists to consider new ways of understanding dark energy and gravity ...

On the Movements of the Earth are excellent examples of historical series that are both entertaining and revealing.

A newly created dark matter map brings even more support to Einstein's theory of general relativity and how gravity affects the universe.

But, the universe isn’t done screwing with us yet. Since its discovery, the cosmological constant has been believed to be a constant, hence the name. However, brand new data from the Dark Energy ...

New observations of the cosmos show that the dark energy, a mysterious force that accelerates the expansion of the universe, is evolving.

The instrument’s 5,000 fiber-optic “eyes” and extensive surveying capabilities are enabling scientists to build one of the largest 3D maps of the universe and track how dark energy has ...

If our 13.8 billion-year-old cosmos could be considered middle-aged, researchers note these new images captured around its 380,000th birthday represent a snapshot of the universe as a newborn.

Physicists may need to come up with a new theory for how the universe works, after a dark energy experiment has produced confounding results.

New results from Dark Energy Spectroscopic Instrument hint that the influence of mysterious force driving universe's accelerating expansion may change over time.

Dark energy, the mysterious force thought to be driving the ever-faster expansion of the universe, appears to be changing over time, according to new observations released Wednesday.