New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from the early cosmos.
A sudden black hole flare unleashed stunning, near light speed winds that echo the Sun’s most powerful eruptions.
For 10 months, a SETI Institute-led team watched pulsar PSR J0332+5434 (also called B0329+54) to study how its radio signal ...
Approaching a black hole unleashes extreme tidal forces, stretching and tearing apart matter, including planets like Earth, a ...
A faint, tiny flash of red light glimpsed at the Cosmic Dawn more than 13 billion years ago has smashed the record for the ...
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