Jeanna Bryner
Latest articles by Jeanna Bryner
![Antimatter Eludes Search Efforts](https://cdn.mos.cms.futurecdn.net/NBrBAWruLkgM3jQx8aKSAf-320-80.jpg)
Antimatter Eludes Search Efforts
By Jeanna Bryner published
Antimatter could be lurking out there, but it's going to be tricky to find, scientists say.
![Strange Portal Connects Earth to Sun](https://cdn.mos.cms.futurecdn.net/Hyr5KmDVbJbQJtspfurdY3-320-80.jpg)
Strange Portal Connects Earth to Sun
By Jeanna Bryner published
Huge magnetic portals allow high-energy particle to jet from the sun to Earth.
![Nearby Star Hosts Three-Ring Circus](https://cdn.mos.cms.futurecdn.net/58mSYmbQrfHboDUTNos29T-320-80.jpg)
Nearby Star Hosts Three-Ring Circus
By Jeanna Bryner published
New research reveals three rings surrounding a nearby star.
![Wind and Snow Do Strange Things on Mars](https://cdn.mos.cms.futurecdn.net/GFypSWwUZPf8GogaKQPL6R-320-80.jpg)
Wind and Snow Do Strange Things on Mars
By Jeanna Bryner published
Martian weather is to blame for a lopsided polar cap.
![Photo Shows Stars Born in Huge Cosmic Wombs](https://cdn.mos.cms.futurecdn.net/mNbNuDRPoY3mBpVvYvpFbk-320-80.jpg)
Photo Shows Stars Born in Huge Cosmic Wombs
By Jeanna Bryner published
A new infrared image reveals how hefty stars trigger stellar newborns.
![Pluto's Identity Crisis Hits Classrooms and Bookstores](https://cdn.mos.cms.futurecdn.net/synH3HsQGMK82gcXGFPwER-320-80.jpg)
The Storied History of the Word 'Planet'
By Jeanna Bryner published
The word "planet" has meant many different things over the millennia and even still its definition is evolving.
![Great Planet Debate: Scientists Could Overturn Official Definition](https://cdn.mos.cms.futurecdn.net/vsnApzNu3hQ4FRFLEg7Da8-320-80.jpg)
The Great (and Sometimes Serious) Debate About Pluto
By Jeanna Bryner published
Two planetary scientists duke it out over Pluto.
![Great Planet Debate: Scientists Could Overturn Official Definition](https://cdn.mos.cms.futurecdn.net/vsnApzNu3hQ4FRFLEg7Da8-320-80.jpg)
Great Planet Debate: Scientists Could Overturn Official Definition
By Jeanna Bryner published
Scientists will convene this month to figure out what makes an object a planet.
![Giant Lake Confirmed on Saturn's Moon Titan](https://cdn.mos.cms.futurecdn.net/fdS3cRQFWxmVFiL6Qi42pB-320-80.jpg)
Giant Lake Confirmed on Saturn's Moon Titan
By Jeanna Bryner published
A giant lake full of ethane and methane has been confirmed to exist on Titan.
![](https://cdn.mos.cms.futurecdn.net/BfobgKiYqFqKpmNa7X4eYM-320-80.jpg)
For Better or Worse, Sex in Space Is Inevitable
By Jeanna Bryner published
Sex in space could be right around the corner.
![Manipulating an orbiting asteroid would require more effort than was employed to develop the first nuclear bomb during the Manhattan Project.](https://cdn.mos.cms.futurecdn.net/2wPBn8MtRvJQCoBpFNCiPE-320-80.jpg)
Life Survived Catastrophic Space Rock Impact
By Jeanna Bryner published
New research gives a detailed account of an ancient asteroid impact.
![Three Super-Earths Found Orbiting One Star](https://cdn.mos.cms.futurecdn.net/U8RhQAuokvMsn3nxx89uZb-320-80.jpg)
Astronomers on Verge of Finding Earth's Twin
By Jeanna Bryner published
Astronomers are optimistic they will find Earth-like worlds in the near future.
![Pluto's Identity Crisis Hits Classrooms and Bookstores](https://cdn.mos.cms.futurecdn.net/synH3HsQGMK82gcXGFPwER-320-80.jpg)
Pluto's Identity Crisis Hits Classrooms and Bookstores
By Jeanna Bryner published
Pluto went from planet to dwarf planet and the latest name, plutoid.
![Twin Stars Born 500,000 Years Apart](https://cdn.mos.cms.futurecdn.net/NzCLy2JvSYR2MRYXbGiVjn-320-80.jpg)
Twin Stars Born 500,000 Years Apart
By Jeanna Bryner published
Two stars thought to be identical twins were born a half million years apart.
![Sun Might Hold Secret of Dark Matter](https://cdn.mos.cms.futurecdn.net/ybHb3ubPWdm2AJPmetp6H6-320-80.jpg)
Sun Might Hold Secret of Dark Matter
By Jeanna Bryner published
Astrophysicists look to the sun in their search for dark matter.
![Three Super-Earths Found Orbiting One Star](https://cdn.mos.cms.futurecdn.net/U8RhQAuokvMsn3nxx89uZb-320-80.jpg)
Three Super-Earths Found Orbiting One Star
By Jeanna Bryner published
Astronomers announced the discovery of three oversized Earths orbiting a sun-like star.
![Cosmic Grim Reaper Seen For First Time](https://cdn.mos.cms.futurecdn.net/xViaa6Gh5pvJ6A4VTSu3aC-320-80.jpg)
Cosmic Grim Reaper Seen For First Time
By Jeanna Bryner published
Astronomers have witnessed the early stages of a star's death.
![](https://cdn.mos.cms.futurecdn.net/BfobgKiYqFqKpmNa7X4eYM-320-80.jpg)
Moon Dust Could Be Used to Build Lunar Lodgings
By Jeanna Bryner published
Astronomers concoct recipe for a telescope mirror using lunar dust.
![High-Energy Jets Found to Do Black Holes' Dirty Work](https://cdn.mos.cms.futurecdn.net/QUmhqTv8VHLm9xbU9qFnCc-320-80.jpg)
High-Energy Jets Found to Do Black Holes' Dirty Work
By Jeanna Bryner published
Some of the most massive black holes use high-energy jets to stomp out star-formation.
![Astronomers Astonished by 'Monstrous' Star Explosion](https://cdn.mos.cms.futurecdn.net/Kn8jYLy3vtZ6J4kvg4vvsQ-320-80.jpg)
Quark Star Plays Role in New Theory for Brightest Supernovae
By Jeanna Bryner published
The first-ever evidence of a neutron star collapsing into a quark star is announced.
![New Images: Milky Way Loses Two Arms](https://cdn.mos.cms.futurecdn.net/iSrPC8en7JgMmbovQTCwtT-320-80.jpg)
New Images: Milky Way Loses Two Arms
By Jeanna Bryner published
New images reveal the Milky Way has two major arms and other minor arms.
![New Mini-Planet Is Lightweight Champ](https://cdn.mos.cms.futurecdn.net/gF7c8TpsH4MjFnrdPcqPda-320-80.jpg)
New Mini-Planet Is Lightweight Champ
By Jeanna Bryner published
New planet is lowest mass exoplanet yet discovered.
![Black Holes Key to Spiral Arm Hugs](https://cdn.mos.cms.futurecdn.net/Gy4C6G4hTtk3wBkm6tax3i-320-80.jpg)
Black Holes Key to Spiral Arm Hugs
By Jeanna Bryner published
The finding gives astronomers a way to weigh so-called supermassive black holes.