The star passes very close to the Milky Way’s supermassive black hole and could reveal the black hole’s spin by tracking how it warps the star’s orbit.
The star passes very close to the Milky Way’s supermassive black hole and could reveal the black hole’s spin by tracking how it warps the star’s orbit.
Big space mirrors could bring Earth on-demand light — and upend our night sky 
Nepal’s deadly debris flow points to risks in other high mountain regions 
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When AI goes rogue, its human overseers may be to blame 
These mice have human (nerve cells) on the brain 
The U.S. has weapons in space. Here’s what that could mean 
UN fact-finding mission on Iran focuses on plight of civilians 
Gender equality woefully off track, new UN report reveals 
World News in Brief: Winter aid for Gaza, West Bank; Haiti food production; migrant deaths at sea; human rights funding 
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