Jeanna Bryner

Jeanna Bryner

Live Science Editor-in-Chief

Jeanna served as editor-in-chief of Live Science. Previously, she was an assistant editor at Scholastic's Science World magazine. Jeanna has an English degree from Salisbury University, a master's degree in biogeochemistry and environmental sciences from the University of Maryland, and a graduate science journalism degree from New York University. She has worked as a biologist in Florida, where she monitored wetlands and did field surveys for endangered species. She also received an ocean sciences journalism fellowship from Woods Hole Oceanographic Institution.

Articles by: Jeanna Bryner

National Geographic dinosaur digging kit

National Geographic STEM Kits on Sale Now: Dinosaur Figures, Microscopes & More

By Jeanna Bryner published

Get up to 20% off National Geographic STEM science kits, including dinosaur dig sets, microscopes and more.

Live Science community asset.

Welcome to Live Science's Forums!

By Jeanna Bryner published

Check out Live Science's forums, where you can ask questions and discuss all things science!

The ozone hole (blue) can be seen here over Antarctica on Oct. 4, 2019.

Ozone Hole Over Antarctica Shrinks to Record-Small Size

By Jeanna Bryner published

The ozone hole over Antarctica has shrunk to its smallest size yet. Here's why.

A close-up view of the wingtip ESM sensors, or electronic support measures, on a U.S. Navy E-6A Mercury aircraft. To create the E-6B, Boeing modified the E-6A, adding various specialized equipment.

This 'Doomsday' Plane Was Designed to Survive a Nuclear Attack. A Bird Just Took It Down.

By Jeanna Bryner published

This Navy craft is meant to communicate with nuclear forces in the event of a nuclear war. And a bird strike just grounded it.

lithium-ion battery

3 Scientists Win Nobel Prize in Chemistry for Developing the Lithium-Ion Battery

By Jeanna Bryner published

Three scientists have won the 2019 Nobel Prize in Chemistry for developing the lithium-ion battery that powers everything from smartphones to electric cars.

big bang, expansion of the universe.

Nobel Prize in Physics Honors Scientists Who Transformed Our Ideas About the Cosmos

By Jeanna Bryner published

The Nobel Prize in physics has been awarded to three scientists for unraveling the structure and history of the universe and for changing our perspective of Earth’s place in it.

Nobel Assembly member, Randall Johnson, speaks during the announcement of this year’s winners of the Nobel Prize in Physiology or Medicine, at the Karolinska Institute in Sweden: (from left to right on the screen) Gregg Semenza, Peter Ratcliffe and William Kaelin.

Trio Wins Nobel Prize in Medicine for Figuring Out 'One of Life's Most Essential Adaptive Processes'

By Jeanna Bryner published

This year's Nobel Prize in physiology or medicine has been awarded jointly to three scientists who figured out how cells sense and adapt to changes in levels of oxygen.

The variola virus (illustrated here) causes the highly contagious smallpox infection, which was declared eradicated in 1980.

Just 2 Labs in the World House Smallpox. The One in Russia Had an Explosion.

By Jeanna Bryner published

A fire reportedly broke out yesterday (Sept. 16) after an explosion at a secret lab in Russia, one of only two places in the world where the variola virus that causes smallpox is kept.

bighorn sheep in Badlands National Park.

Animal Camo: Can You Find the Animals Hiding Out in These Images?

By Jeanna Bryner published

Animals are amazing hiders, using their camouflaged coats to blend in with their environments and appear invisible.

Hurricane Dorian, seen in this satellite view on Sept. 3, 2019, along with two other brewing storms.

Hurricane Dorian Intensifies Again, Headed Toward Carolinas

By Jeanna Bryner published

Hurricane Dorian has strengthened to a Category 3 storm, with sustained winds reaching 115 mph (185 km/h), and it's barreling up the U.S. East Coast.

hurricane dorian damage

Photos: Hurricane Dorian Leaves Devastation in Its Wake

By Jeanna Bryner published

Here's a look at the damage wreaked by the monstrous Hurricane Dorian.

NASA astronaut Christian Koch snapped this image of Hurricane Dorian from the International Space Station on Sept. 2, 2019. The station orbits more than 200 miles (320 kilometers) above the Earth.

Extremely Dangerous Hurricane Dorian Expected to Make Close Shave with Florida

By Jeanna Bryner published

Hurricane Dorian is starting to make a turn toward the northwest and is expected to move dangerously close to the east coast of Florida later today (Sept. 3) and tomorrow.

Hurricane Dorian churns over the island of Grand Bahama, about 110 miles east of West Palm Beach, Florida, on Sept. 2, 2019.

Where Will Hurricane Dorian Make Landfall?

By Jeanna Bryner published

Hurricane Dorian's track has been tricky to predict with certainty. Here's where it could make U.S. landfall.

Extremely dangerous Hurricane Dorian closes in on the Northwestern Bahamas on Sunday, Sept. 1, 2019.

Why Is Hurricane Dorian's Path So Tricky to Predict?

By Jeanna Bryner published

The hard-to-pin-down track is primarily due to an atmospheric steering wheel, which Dorian lost along its rise to Category 5.

hurricane dorian weather satellite infrared reveals it as a category 5 storm on sept. 1

'Extremely Dangerous' Dorian Becomes Strongest Hurricane in Modern History for the Bahamas

By Jeanna Bryner published

The monstrous Dorian has become the strongest hurricane to hit the Northwestern Bahamas, with sustained winds reaching 180 mph (285 km/h).

Live Science logo

Welcome to Live Science: We've Got a New Look!

By Jeanna Bryner published

This bright fireball streaked across the skies over Ontario at around 2:44 a.m. ET, July 24.

Mysterious, Ultrabright Fireball Streaks Across the Sky Over Canada

By Jeanna Bryner published

The fireball let out several bright flares before it extinguished, dropping a number of meteorite fragments on Earth's surface.

NASA astronaut Christina Koch captured this image of tropical storm Barry on July 11, 2019.

Barry Becomes a Hurricane, Barrels Toward Louisiana Coast

By Jeanna Bryner published

Barry is now packing winds of 75 mph. Life-threatening flash flooding will become increasingly likely later today and tonight as Barry moves inland.

The San Andreas fault system is more than 800 miles (1,300 kilometers) long, and as deep as 10 miles (16 km) in some spots.

Could Massive SoCal Earthquakes Trigger the 'Big One' on the San Andreas Fault?

By Tia Ghose, Jeanna Bryner published

It's possible that the recent quakes could be the straw that broke the camel's back for the San Andreas Fault, which is way overdue for a major rupture.

An onlooker views newly ruptured ground after a 7.1-magnitude earthquake struck on July 6, 2019, near Ridgecrest, California.

The Faults That Ruptured in Twin California Quakes Are Very, Very Weird, Geologists Say.

By Jeanna Bryner published

Scientists know very little about the faults that ripped apart during the massive SoCal quakes.

Lifeguard Luke Orot at Jewel Lake on July 4, 2019, in Anchorage, Alaska, which is bracing for record-warm temperatures.

Whoa! Alaska Is Hotter Than NYC. Here's Why.

By Jeanna Bryner published

For the first time in recorded history, Anchorage, Alaska, reached 90 degrees F (32 degrees Celsius).

Here, a young Arctic fox (<em>Vulpes lagopus</em>) looking for food. This is not the Arctic fox that made the lengthy journey from Svalbard to Ellesmere Island in Canada.

Scientists 'Thunderstruck' As Arctic Fox Makes Stunning 2,100-Mile Journey in Just 76 Days

By Jeanna Bryner published

Scientists who tracked the young female were astonished by how fast the little fox traveled from Norway to Canada.

Dyson swarm of satellites, indicating an alien civilization.

'What Would You Do If We Found Aliens?' Survey Asks

By Jeanna Bryner published

If you find out we are not alone in the universe, how would you respond?

In this composite image, the heat from the rings around Uranus can be seen. The dark bands in the planet’s atmosphere indicate radiolight-absorbing molecules such as hydrogen sulfied, while the bright areas contain very few of these molecules.

Uranus Is a Weirdo — And So Are Its Rings

By Jeanna Bryner published

New images of the icy planet's rings reveal some surprises.

The National Academy of Sciences building is seen during the Humans to Mars Summit, in Washington, D.C., May 14, 2019.

The National Academy of Sciences Will Now Expel Members for Sexual Harassment

By Jeanna Bryner published

This is the first time in the academy's 156-year history that any member could be expelled from the prestigious science group.

Other versions of this page are available with specific content for the following regions: