Dark times for dark matter?

Dark matter, which can be detected only thanks to its gravitational influence, remains a mystery after decades of research. Because it helps explain most observations quite well, a majority of astronomers however supports the theory. Why then haven’t we been able to identify its nature, or just prove its existence? …

Milky Way’s mysterious haze

Researchers have just discovered a mysterious “humming” in the core of our galaxy: the Milky Way emits an important amount of microwave radiation, and its origin remains unknown. New cold gas clouds of carbon monoxide have also been discovered, helping astronomers locating star-forming regions.
The main objective of the Planck satellite, …

Dark matter just got darker

According to the standard model of cosmology, each galaxy contains huge amounts of dark matter, which can only be detected thanks to its gravitational pull. Without it, galaxies would be torn apart, with their stars flying away from each other. Dark matter’s nature remains a mystery, a mystery that has …

Escaping the dark side

As most of you have probably already noticed, I am not particularly fond of the standard model of cosmology… More precisely, I have a problem with dark matter and dark energy, what I call the “dark side” of the Universe. Many times, I was asked why, so I will give …

The best alternative to dark matter and dark energy?

According to the standard model of cosmology, also known as ΛCDM (Lambda Cold Dark Matter) model, about 95% of our Universe is invisible or undetectable, or possibly both. Various alternative models have been proposed to describe our Universe without the need of dark matter or dark energy. One of them, …

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