On Jan. 26, 2026, the Submillimeter Array (SMA) on Maunakea crossed an important threshold for time-domain astronomy. For the ...

In a blow to Donald Trump’s agenda, America’s Supreme Court blocked an executive order that would have denied birthright ...

Second only to black holes, neutron stars—incredibly dense star remnants—are the densest objects in the universe. When ...

Scientists still don’t know where ghostly particles called neutrinos originate. A distant galaxy could be a potential source.

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3-D introduction to the universe ...

NASA confirmed a meteor following a NOAA satellite's detection May 30 of a bright flash over Cape Cod Bay. Witness reports are essential in the detection of meteors and other events involving ...

Add Yahoo as a preferred source to see more of our stories on Google. What if an entire galactic nucleus was blasting high energy radiation directly at Earth? (Credit: NASA) A new paper in the Journal ...

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4.6 billion years ago, the young Solar System was a swirling chaos of gas and dust — and nothing about planet formation was guaranteed. Yet somehow, out of that chaos, distinct rocky bodies took shape ...

What do black holes, microplastics and a runway fashion show have in common? At the Galleries of Contemporary Art in Colorado Springs, the answer unfolds in layers of black fabric, glittering trash ...

Today’s observatories document every pulse and flash in the sky each night. To understand how the cosmos has changed over longer periods, scientists rely on a more tactile technology. Hudec’s archival ...

Primordial black holes could rewrite our understanding of dark matter and the early universe. A record-breaking detection at the bottom of the Mediterranean Sea has some physicists wondering if we ...