Jeanna Bryner
Latest articles by Jeanna Bryner
Why does the moon turn red during a total lunar eclipse?
By Jeanna Bryner published
During the so-called Super Flower Blood Moon lunar eclipse, the face of the moon will turn a brick-red hue. Here's why.
Humanity locked in a 'spiral of self-destruction' unless we change our perception of risk, UN says
By Jeanna Bryner published
'Optimism, underestimation and invincibility' have pushed humanity into a 'spiral of self-destruction,' new UN Global Assessment Report says
ISS and China's space station photobomb image of 4 planets aligned in the sky
By Jeanna Bryner published
The International Space Station and China's space station photobombed a four-planet line-up in the early morning sky for Italian astrophysicist Gianluca Masi.
Sinkholes as big as a skyscraper and as wide as a city street open up in the Arctic seafloor
By Jeanna Bryner published
Giant "sinkholes" — one of which could devour an entire city block holding six-story buildings — are appearing along the Arctic seafloor.
4-foot tsunami hits Tonga after explosive eruption of underwater volcano
By Jeanna Bryner published
A tsunami triggered by the explosive eruption of the underwater Tonga volcano in the Pacific Ocean slammed the shoreline of the Pacific nation Saturday (Jan. 15).
Christmas sale: Read a free issue of How It Works magazine, plus save up to 57% on a subscription!
By Jeanna Bryner published
Our sister publication, How It Works, is the action-packed magazine that’s bursting with the answers to your curious questions.
Hurricane Ida expected to slam into Louisiana as 'extremely dangerous major hurricane'
By Jeanna Bryner published
Hurricane Ida is expected to make landfall on the U.S. Gulf Coast as a category 4 storm, the first hurricane of 2021 to hit US soil.
Asteroid the size of the Great Pyramid of Giza just flew (safely) by Earth
By Jeanna Bryner published
An asteroid about as long as the Great Pyramid of Giza is tall made a "close" approach with Earth on Sunday (July 25), according to NASA calculations.
Photo tour of Jezero Crater: Here's where Perseverance will land on Mars
By Jeanna Bryner published
Here's a look at Mars' Jezero Crater, the gorgeous basin where the Perseverance rover is expected to touch down and look for signs of ancient microbial life.
One-month free trial: ABCMouse teaches and entertains kids
By Jeanna Bryner published
A great way to keep children busy and learning when stuck indoors.
Nobel Prize in physics awarded to 3 scientists for their black hole discoveries
By Jeanna Bryner published
The Nobel Prize in physics has been awarded to three scientists for their work involving one of the cosmos's most mysterious, darkest, secrets — black holes.
Wobbles of Mars Produced 40 Ice Ages
By Jeanna Bryner last updated
About 40 Martian ice ages have occurred in the past 5 million years.
Colossal Black Hole Shatters the Scales
By Jeanna Bryner last updated
Massive black hole 18 billion times more massive than sun discovered.
Kids' Educational Tablets Up to 40% Off This Holiday Season
By Jeanna Bryner last updated
Kids can explore the world of astronomy, the human body, chemistry and more with a Kids Fire Tablet or an iPad on sale now.
Stephen Hawking's 1st Wife Blasts Biopic 'The Theory of Everything'
By Jeanna Bryner last updated
Jane Hawking says the film got a lot of things wrong about her life with the renowned physicist.
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.
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.
Hurricane Florence Makes Its Way Toward North Carolina
By Jeanna Bryner published
Hurricane Florence, downgraded to a Category 2 storm with sustained winds of up to 110 mph (175 km/h), is getting closer to the coast of North Carolina.
This Meteor 'Exploded' Over Greenland, But Nobody Saw It. Here's Why It Matters.
By Jeanna Bryner published
A fireball that streaked across the sky above the Thule Air Base in Greenland on July 25 was notable for not only the 2.1 kilotons of energy it released but also the stir it caused on social media.
This Supercomputer Can Calculate in 1 Second What Would Take You 6 Billion Years
By Jeanna Bryner published
It's the fastest, and smartest, supercomputer.
Congress Wants to Spend $10 Million to Search for Aliens and Texas Is to Thank
By Jeanna Bryner published
After a 25-year gap, the federal government may fund the search for intelligent aliens with $10 million for the next two years.
Flat-Earthers Explain Why We Don't Fall Off the Edge of Our Planet, and It Involves Pac-Man
By Jeanna Bryner published
Their evidence included an odd Pac-Man effect.
The 'End of the World' Is Today. Here's Why We're Still Here.
By Jeanna Bryner published
Here's the numerical and cosmic gymnastics Meade used to come up with today's apocalypse — one that, of course, will not come to be.
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