In this all-new Starts With A Bang podcast episode, find out how stellar streams have the power to reveal the nature of dark matter.Continue reading on Starts With A Bang! »
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The idea that the building blocks for life were delivered to Earth by comets just received a major setback.
Astronomers find that a white dwarf's density and the kind of material it absorbed from its surroundings can produce a rainbow of shades in the star's atmosphere.
APOD Science APOD APOD: 2026 October 31 - Today's APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe ...
Photo credit: NASA/Chris Gunn Far beyond ordinary sight, a towering filament of dust and gas has taken on the unmistakable outline of a cat sitting with its back turned. Astronomers call the structure the Cat's Head Nebula, a compact formation ...
The space agency solicited ideas for reboosting Hubble four years ago, but they didn't go anywhere.
The Vera Rubin Observatory is shedding new light on the faraway regions by Neptune and beyond, including possible solar system building blocks.
Stewart's iconic "Star Trek" character inspired astronomers and astronauts in countless ways: "You were the captain of my childhood," one astrophysicist said.
Back in 2004, a supermassive black hole from 10.8 billion years ago was found, weighing in at 66 billion solar masses. How is thisContinue reading on Starts With A Bang! »
A surprising discovery by astronomers using the Hubble Space Telescope is challenging a leading explanation for how the early universe emerged from a dense fog of hydrogen roughly 13 billion years ago. Scientists once believed powerful winds from ...