John Wenz

John Wenz

Writer

John Wenz is a Seniorhelpline writer and space obsessive based in Philadelphia. He tweets @johnwenz.

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We've Seen a Black Hole Directly for the First Time

A supermassive black hole has been revealed.

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24 Amazing Animals That Are Almost Extinct

It's not too late, but the future looks bleak for these species.

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Rivers Flowed Forth on Mars Until 1 Billion Years Ago

Fairly recently in the planet's past, streams persisted on the surface of Mars.

The asteroid Bennu ejects material into space.
Did These Two Radically Different Asteroids Come From the Same Place?

Meet Ryugu and Bennu, two small worlds near Earth with big surprises inside.

British Ironworks Centre, Oswestry
Study: Ancient Stonehenge Pig Roasts Brought in People From All Over Britain

The bone study suggests that pork BBQ goes back a long, long time.

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A Mock Rover Finds Life Deep Under in the Atacama Desert, the Most Mars-Like Place on Earth

The Atacama Desert is inhospitable to life. But don't tell the bacteria that live there.

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Hiding in Hubble Data, a New Moon for Neptune

Welcome to the solar system, Hippocamp.

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So Long, Opportunity: The Mars Rover Is Gone

Opportunity colored our modern understanding of the red planet. Now, it's time to say goodbye.

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Turns Out Bees Understand Addition and Subtraction

Forget spelling bees, let's have math bees.

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Found in the Cold Mountains of Antarctica: A Warm Weather Lizard Fossil

The new species is closely related to crocodiles and dinosaurs.

TOPSHOT-JAPAN-SPACE-ASTRONOMY
When Is the Next Lunar Eclipse?

Viewers in the United States may have to wait until next year, but the Southern hemisphere will get a partial later this year.

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New Shark Species Found in the Mud, Right Next to Where Sue the T. Rex Was Discovered

The Galagadon was a tiny freshwater shark living among much larger dinosaurs.

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15 Animals Found Only in One Small Place

Some creatures, big and small, have a more limited range than you think.

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More Than Half of Coffee Species Are in Danger of Extinction

A new study finds that 60 percent of species of coffee could go away—with potential collateral to your morning cup of joe.

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Living in Space Doesn't Turn Bacteria into Killer Superbugs, Study Says

Bacteria on the ISS may have gotten hardier—but we still have the upper hand for now.

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Repeating Radio Signals Are a Deep Space Mystery and Astronomers Just Found a Second One

Fast radio bursts have long eluded astronomers, but now a second repetitive source has been found.

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The 20 Weirdest Birds You've Never Heard of But Need to Know

Here are some of the most exceptional dinosaur descendants in our skies, seas, and lands.

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Why Apollo 8 Mattered
Apollo 11 couldn't have happened without the December 1968 mission that proved the moon was within reach, and showed us our planet like…
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Why Voyager 2 Is In Interstellar Space But Not Out of the Solar System

There's a good difference between where the sun's energy ends and where it's gravity ends.

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An Elephant-Size Mammal Relative Roamed Among Dinosaurs

The lumbering beast is the biggest of its kind found.

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Great Holiday Gifts for the Space Nerd in Your Life

For those who are always looking upward.

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Two Young Stars On a Death Spiral Are Acting Very Strangely

The objects, circling in a pinwheel of death, are behaving like stars we haven't seen in billions of light years.

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The Kepler Satellite Is Officially Going Offline Forever

After lasting longer than anyone expected, it finally ran out of fuel.

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The Planet-Hunting Kepler Space Telescope May Be Gone for Good

The spaceship is out of fuel and in sleep mode. It may not wake up.

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Mars May Have Enough Oxygen to Sustain Subsurface Life

The ingredients for life are richer than we thought.

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Menacing Ice Spikes on Europa Could Endanger Future Landers

The last thing a future mission to the moon needs is a 50 foot jut of ice.

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