News tagged with dark matter

A new experiment to understand dark matter

Is dark matter a source of a yet unknown force in addition to gravity? The mysterious dark matter is little understood and trying to understand its properties is an important challenge in modern physics and astrophysics. ...

dateJun 15, 2018 in General Physics
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Does some dark matter carry an electric charge?

Astronomers have proposed a new model for the invisible material that makes up most of the matter in the Universe. They have studied whether a fraction of dark matter particles may have a tiny electrical charge.

dateMay 30, 2018 in Astronomy
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Astronomers witness galaxy megamerger

Peering deep into space—an astounding 90 percent of the way across the observable universe—astronomers have witnessed the beginnings of a gargantuan cosmic pileup, the impending collision of 14 young, starbursting galaxies.

dateApr 25, 2018 in Astronomy
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Studying dwarf galaxies to get the big picture

EPFL scientists have completed the fastidious task of analyzing 27 dwarf galaxies in detail, identifying the conditions under which they were formed and how they've since evolved. These small-scale galaxies are perfect for ...

dateApr 23, 2018 in Astronomy
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Is dark matter made of primordial black holes?

Astronomers studying the motions of galaxies and the character of the cosmic microwave background radiation came to realize in the last century that most of the matter in the universe was not visible. About 84 percent of ...

dateApr 20, 2018 in Astronomy
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