A key role is played by the most powerful cosmic explosions -- gamma-ray bursts. What is the nature of dark energy, a recently discovered dominant constituent of the Universe today? Is expansion ...

Several resource tents were set up for Saturday’s Mid-Ohio Valley Out of the Darkness Walk, including Westbrook Health Service and Coplin Health Systems. (Photo by Gretchen Dowler) PARKERSBURG ...

X-ray light from the Perseus cluster of galaxies may finally reveal the true nature of one of the most mysterious substances in the cosmos: dark matter. The subject of study is the Perseus cluster ...

The technicolor Florida sunset had faded into darkness ... of nature by giving it [legal] standing ... that there's really no reason that you cannot apply exactly the same logic to light pollution." ...

Furthermore, it was found that continuous illumination inhibited the rhythm, which recommenced when darkness was restored. A more detailed investigation of the light inhibition of the rhythm has ...