Jeanna Bryner
Latest articles by Jeanna Bryner
![](https://cdn.mos.cms.futurecdn.net/BfobgKiYqFqKpmNa7X4eYM-320-80.jpg)
Ancient Asteroid Impact Coated Earth in Blanket of Beads
By Jeanna Bryner published
New research of carbon beads from Chicxulub Crater fuel more debate over dinosaur demise.
![Flaring Temper Causes Sun to Quake](https://cdn.mos.cms.futurecdn.net/vqVnRi4MTG8ULkfxCuBFec-320-80.jpg)
Flaring Temper Causes Sun to Quake
By Jeanna Bryner published
Astronomers have found the source of powerful starquakes on the sun.
![Star Theory Gets New Spin](https://cdn.mos.cms.futurecdn.net/A4q4A246Tkzh5hrJLiAaDe-320-80.jpg)
Star Theory Gets New Spin
By Jeanna Bryner published
Not all spinning stars are created equal.
![Mid-Size Black Hole Answers Longstanding Question](https://cdn.mos.cms.futurecdn.net/hm7SkUBQCJcxjziJEKGu7a-320-80.jpg)
Mid-Size Black Hole Answers Longstanding Question
By Jeanna Bryner published
Astronomers discover possible middleweight black hole.
![Photo Suggests Planet Under Construction](https://cdn.mos.cms.futurecdn.net/ZFXo7RMcDFXAPyq9jpUchA-320-80.jpg)
Photo Suggests Planet Under Construction
By Jeanna Bryner published
Astronomers have captured what might be the first direct image of a young planet.
![Texas Fireball Likely Caused by Meteor, Not Satellite Debris](https://cdn.mos.cms.futurecdn.net/mpbXXGPTugys94JWyeEvEF-320-80.jpg)
Cosmic Clean-Up: Wild Ideas to Sweep Space
By Jeanna Bryner published
Some wacky ideas could help to clean up the junkyard of space.
![Five Volcanic Episodes On Mars Identified by Scientists](https://cdn.mos.cms.futurecdn.net/joBmdV46R6oA3wowYmEys8-320-80.jpg)
Five Volcanic Episodes On Mars Identified by Scientists
By Jeanna Bryner published
Five episodes of volcanic activity spewed lava and hot water onto Mars.
![U.S. Says Satellite Shootdown Offers Model of Transparency](https://cdn.mos.cms.futurecdn.net/ibo23FkJe9Duyb5DAyY4FG-320-80.jpg)
U.S. Says Satellite Shootdown Offers Model of Transparency
By Jeanna Bryner published
U.S. strike on satellite was different from China's anti-satellite test, officials say.
![](https://cdn.mos.cms.futurecdn.net/BfobgKiYqFqKpmNa7X4eYM-320-80.jpg)
Satellite Shoot Down: How It Will Work
By Jeanna Bryner published
A computer model illustrates how a missile will shoot down a defunct U.S. spy satellite.
![Mystery of Saturn's Watery Moon Solved](https://cdn.mos.cms.futurecdn.net/4y7mBHEsjeFgepx3smFNhN-320-80.jpg)
Mystery of Saturn's Watery Moon Solved
By Jeanna Bryner published
A hidden lake beneath the surface of Enceladus could support the moon's icy jets.
![Cosmic Finger Taps Our Galaxy's Shoulder](https://cdn.mos.cms.futurecdn.net/tZRg5HGCtKug4mGeiUCamP-320-80.jpg)
Cosmic Finger Taps Our Galaxy's Shoulder
By Jeanna Bryner published
Gas streaming from the Magellanic Clouds has hooked onto our galaxy's starry disk.
![First Images of Approaching Asteroid](https://cdn.mos.cms.futurecdn.net/Vxqoda4MsuPKXwtRCtcy6U-320-80.jpg)
First Images of Approaching Asteroid
By Jeanna Bryner published
Higher resolution images are expected as an asteroid makes its closest approach to Earth.
![Giant Storms Erupt on Jupiter](https://cdn.mos.cms.futurecdn.net/qMzdLLAn7mwQ8ivZhZXNBG-320-80.jpg)
Giant Storms Erupt on Jupiter
By Jeanna Bryner published
Two giant plumes that erupted on Jupiter suggest internal heat drives the planet's weather.
![](https://cdn.mos.cms.futurecdn.net/BfobgKiYqFqKpmNa7X4eYM-320-80.jpg)
Large Asteroid to Fly Past Earth
By Jeanna Bryner published
A passing asteroid will be visible the night of Jan. 29 with modest-sized telescopes.
![Amazing Old Stars Give Birth Again](https://cdn.mos.cms.futurecdn.net/RGhUhmimYXjSFbaLiuxnGT-320-80.jpg)
Amazing Old Stars Give Birth Again
By Jeanna Bryner published
Two old stars may be gearing up for a second generation of planet formation.
![Pools of Invisible Matter Mapped in Space](https://cdn.mos.cms.futurecdn.net/eBmyr8qoCssiTQc8id33zE-320-80.jpg)
Pools of Invisible Matter Mapped in Space
By Jeanna Bryner published
Astronomers unveil new map of dark matter in a supercluster.
![Space Cloud to Collide With Our Galaxy](https://cdn.mos.cms.futurecdn.net/gSTsr523wxhvmmouRVHpDD-320-80.jpg)
Space Cloud to Collide With Our Galaxy
By Jeanna Bryner published
Careening gas cloud headed for Milky Way to create celestial fireworks.
![Even Thin Galaxies Pack Hefty Black Holes](https://cdn.mos.cms.futurecdn.net/HzeRbRCxkzZVM8nvX6rJ5f-320-80.jpg)
Even Thin Galaxies Pack Hefty Black Holes
By Jeanna Bryner published
Finding shows galaxies don't need bulge to harbor monster black holes.
![Four Stars Found in Amazingly Tight Bunch](https://cdn.mos.cms.futurecdn.net/SBgFMdqCcWXz5rK67MaXwH-320-80.jpg)
Four Stars Found in Amazingly Tight Bunch
By Jeanna Bryner published
Four stars discovered swirling in region equal to Jupiter's orbit.
![](https://cdn.mos.cms.futurecdn.net/BfobgKiYqFqKpmNa7X4eYM-320-80.jpg)
Rogue Black Holes Might Fill Our Galaxy
By Jeanna Bryner published
Our home galaxy could be chock-full of rogue black holes.
![Faraway Planets Collided, Study Suggests](https://cdn.mos.cms.futurecdn.net/4KqbYvCNMAemBw3SEVnT5T-320-80.jpg)
Faraway Planets Collided, Study Suggests
By Jeanna Bryner published
Hefty extrasolar planet likely formed collision of two planets.
![Cosmic Blue Blobs Discovered](https://cdn.mos.cms.futurecdn.net/e7q3zcnvrZSSgHhZvNJYBY-320-80.jpg)
Cosmic Blue Blobs Discovered
By Jeanna Bryner published
Heavy, brilliant blue blobs seen lurking in intergalactic space.
![Hubble Tune-Up Plans Detailed](https://cdn.mos.cms.futurecdn.net/rFMEqGFCgA7vNS7HMpSi39-320-80.jpg)
Hubble Tune-Up Plans Detailed
By Jeanna Bryner published
NASA details its plans to service, repair Hubble telescope.