Neutron stars could be heating up from dark matter annihilation

One of the big mysteries about dark matter particles is whether they interact with each other. We still don't know the exact nature of what dark matter is. Some models argue that dark matter only interacts gravitationally, ...

New tidal stellar stream discovered with Gaia

By analyzing the data from ESA's Gaia satellite, Chinese astronomers have detected a new tidal stellar stream in the northern hemisphere, which has a low metallicity and a relatively high energy. The finding was reported ...

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