The Universe still holds many mysteries, and among the most intriguing are these invisible components known as dark matter ...

According to NASA, we don’t know what dark energy actually is – but we know it exists. Tides aims to better understand this phenemenon.

Ask most astronomers, and they'll tell you that dark matter and dark energy make up more than 95 percent of the universe and that they are the explanations for many of the large-scale phenomena we ...

Electron-capture supernovae (ECSNe) are stellar explosions that occur in stars with initial masses around 8–10 times that of ...

A project to discover the nature of dark energy, a mysterious force causing the expansion of the universe to speed up, has received an $8 million grant from the National Science Foundation (NSF). The ...

The story begins with the black hole information paradox. According to relativity, anything that falls into a black hole is ...

A gamma ray glow at our galaxy’s center has puzzled scientists for almost two decades. New computer simulations back the theory that dark matter could be the source.

For a quarter century, cosmology has leaned on one framework to explain how the universe expands. Known as the ΛCDM model, it assumes about 70 percent of the cosmos is filled with an unseen force ...

For this reason, physicists and astronomers predicted the existence of an invisible 'something' that expands the universe.

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent result reinforces it. Using the Dark Energy Spectroscopic Instrument, or ...

Dark energy, a mysterious force that scientists believe is behind the accelerated expansion of the universe, is weakening — which could result in the universe over the course of billions of years ...