Scientists have just discovered a distant galaxy with not one but three supermassive black holes at its core. [Read the full story here.]
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Secrets of Sun's 'Coronal Rain' Revealed (Video)
Credit: E. Scullion/SST
Earth's nearest star has bad weather, too.
The sun's squalls, however, involve more than just a little rain and lightning. Huge droplets of hot plasma about the size of Maine fall from the sun's outer atmosphere (the corona) down toward its surface going 124,274 mph (200,000 km/h). Now scientists have come up with an explanation for how this "coronal rain" forms. [Read the full story here.] Less «
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X-Ray Signal May Illuminate Dark Matter Mystery
Credit: X-ray: NASA, CXC, SAO, E.Bulbul, et al.
Two spacecraft have detected a possible signal of dark matter, the mysterious, invisible stuff that makes up most of the material universe.
NASA's Chandra X-ray Observatory and the European Space Agency's XMM-Newton satellite spotted a spike of X-ray emission coming from more than 70 different galaxy clusters. While the origin of the X-rays remains unclear at the moment, they could be generated by the decay of a certain type of dark-matter particle, scientists said. [Read the full story here.] Less «
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Earth's Largest Solar Telescope Takes Awesome, High-Def Images of Sun (Video)
Credit: Santiago Vargas Domínguez & Alexander Kosovichev (BBSO/NJIT)
Recent observations from the largest solar telescope on Earth reveal a never-before-seen look at fine structures on the sun. [Read the full story here.]