Explainer: What is a neutron star?

Neutron stars are arguably the most exotic objects in the universe. Like one of those annoying friends who seemingly must overachieve in every aspect of life, neutron stars exceed in almost every category: surface gravity; ...

date2 hours ago in Astronomy
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Yahoo CEO says she's expecting twins

Yahoo chief executive Marissa Mayer revealed Tuesday she is expecting identical twin girls but will only take "limited time away" from running the Internet giant.

date2 hours ago in Business
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