Black holes and dark revelations: Gravitational waves provide new clues about the composition of dark matter

Artist's impression of a microlensing event caused by a black hole viewed from Earth toward the Large Magellanic Cloud. Light from a background star located in the LMC is bent…

Continue ReadingBlack holes and dark revelations: Gravitational waves provide new clues about the composition of dark matter

Clues to mysterious extinction of large mammals in North America 50,000 years ago found in ancient bone collagen

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Continue ReadingClues to mysterious extinction of large mammals in North America 50,000 years ago found in ancient bone collagen