Science

The nearby spiral galaxy M81 seen in three infrared colors by the Spitzer Space Telescope. Credit: NASA/JPL-Caltech
M81: Spiraling dusty galactic heat
Phil Plait
Hubble Space Telescope image of the comet 2I/Borisov (formerly C/2019 Q4 (Borisov)). The blue color was added to a grayscale image. Credit: NASA, ESA, and D. Jewitt (University of California, Los Angeles)
Hubble observes an alien visitor: the comet 2I/Borisov
Phil Plait
Dr. Manhattan
Science Behind the Fiction: Watchmen's Doctor Manhattan's real nuclear potential
Cassidy Ward
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As Hubble observed the Crab Nebula supernova remnant, a small main-belt asteroid photobombed the image, leaving behind a curved streak due to Hubble’s orbital motion around the Earth. Credit: ESA/Hubble & NASA, M. Thévenot (@AstroMelina); CC BY 4.0
Citizen scientists find asteroids in Hubble images
Phil Plait
The Milky Way is a disk galaxy with hundreds of billions of stars. A new study indicates it underwent a burst of vigorous star formation that peaked about 2 billion years ago. Credit: NASA/JPL-Caltech/R. Hurt (SSC/Caltech)
The Milky Way stole a lot of its satellite galaxies from another small galaxy
Phil Plait
A physics simulation of two protostars merging to form Tau Scorpii, cut right through their orbital plane. The coloring shows the intensity of the magnetic field, and the cross-hatching its direction. Credit: Ohlmann/Schneider/Röpke
Magnetars are the most powerful magnets in the Universe. Here's how they're made.
Phil Plait
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Scientists find the most extreme "Hot Jupiter" alien planet to date
Jeff Spry
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Hot Jupiter
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There’s life on Mars, says a scientist who thinks he found the evidence 40 years ago
Elizabeth Rayne
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NASA Viking mission to Mars
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Black holes might not crush you after all—they could be even weirder than that
Elizabeth Rayne
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black hole
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Can we regenerate like Doctor Who—or at least a salamander?
Elizabeth Rayne
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BBC America
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The first man to walk in space, Aleksei Leonov, dead at 85
Christian Long
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Aleksei Leonov
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This strange eel-shark once swam prehistoric seas 360 million years ago
Jeff Spry
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Scott Eisen:Getty Images
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Are LED lights and other techno-implants slowly turning us into the Borg?
Elizabeth Rayne
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Picard as the Borg
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OSIRIS-REx sees Earth from 100 million kilometers away
Phil Plait
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A very overexposed image of the asteroid Bennu by OSIRIS-REx reveals stars in the background… and a pair of worlds far in the distance. Credit: NASA/Goddard/University of Arizona/Lockheed Martin
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Mars was pretty much an oasis 3.5 billion years ago
Elizabeth Rayne
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Mars
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The day our galaxy exploded
Phil Plait
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Artwork showing the outburst from the center of the Milky Way and the Magellanic Stream of gas coming out of satellite galaxies. Credit: James Josephides/ASTRO 3D
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This savage new species of Aussie pterosaur has been branded the Iron Dragon
Jeff Spry
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Iron Dragon
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Science Behind the Fiction: What does going to space do to your brain? Can it drive you mad?
Cassidy Ward
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Natalie Portman Lucy in the Sky
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The Andromeda Galaxy ate its small friends… twice
Phil Plait
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The Andromeda Galaxy grew by eating smaller galaxies. Credit: Local Group Survey Team and T.A. Rector (University of Alaska Anchorage) / Phil Plait
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Meat me in space: 3D bioprinted “space beef” teases ISS astronauts with promise of fake steak
Benjamin Bullard
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Cattle in a grassy pasture
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Physics Nobel Prize awarded for cosmic discoveries — and what they could mean for ET life
Benjamin Bullard
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A concept rendering of an exoplanet outside our solar system
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