Faced with observations of early black holes and galaxies that weren’t expected to exist, scientists have come up with a ...

Massive galaxies? Dusty black holes? Black hole stars? Scientists have raised a lot of theories around what the crimson blobs ...

Every 40 seconds of nighttime for the next 10 years, a camera the size of a small car will capture strikingly detailed images of the southern sky, stitching together a time-lapse panorama of ...

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 ...

A distant star-forming galaxy nicknamed the “Shadow Blaster” could have sent a ghostly cosmic particle hurtling toward Earth.

The Absolute Green Lantern must face a definitive cosmic trial that will decide the future of her role as the universe's lone protector. Coffee linked to significant new side effect, says massive ...

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 ...

Extreme environments are not just deadly because they are hot, cold, or empty — some rewrite the rules of survival entirely. The file ranks places like Challenger Deep, where pressure is like stacking ...

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