We know that dark matter exists because, although it does not interact with light — hence its name — it does interact with normal matter and has a gravitational effect on it. We call normal matter, or ...
Dark matter is also tricky because it doesn't interact with light — or, if it does, this interaction is so weak that we can't see it. That makes dark matter effectively invisible. As the search ...
240 million light-years from Earth. In an interview with IE, Sebastién Comerón, study lead on a paper regarding NGC 1277, explained that he believes the dark matter-deficient galaxy actually ...
The nature of dark matter has been a hotly debated topic for decades. If it's a heavy, slow moving particle, then it's just possible that neutrinos may be emitted during interactions with normal ...