How hydrogen bombs compare to atomic bombs, and how scientists created the most destructive weapon ever

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Atomic bomb mushroom cloud on the left compared to a much larger hydrogen bomb mushroom cloud on the right.
The Trinity test (left) was made from an atomic bomb whereas Ivy Mike (right) came from a hydrogen bomb.

Historical / Contributor / Getty Images

It's not just the uber-rich freezing their brains and bodies when they die. An HBO show visited a conference filled with everyday people excited to do it.

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Alcor co-founder Linda Chamberlain talks about cryonics to AZ Central.
Alcor co-founder Linda Chamberlain, talks about cryonics to AZ Central.

The Republic, azcentral.com

A species of jellyfish carrying one of the most deadly venoms in the world is capable of learning despite not having a brain, new research shows

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A box jellyfish pictured off the coast of Australia.
Box jellyfish do not have brains yet seem to be capable of learning, a new study reveals.

Auscape/Getty Images

Why this small Florida county became the 'shark bite capital of the world'

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New Smyrna Beach and a Tiger shark
New Smyrna Beach, Florida and a Tiger shark.

Walt Harden / 500px/Getty Images and Gregory Sweeney/Getty Images

Here are the most common ways sharks attack and how to survive — and avoid — them

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A Great White Shark surfaces from the water near a person’s outstretched hand.
A Great White Shark surfaces from the water near a person’s outstretched hand.

Education Images/Universal Images Group/Getty Images

An amateur astronomer caught one of the brightest fireballs ever seen on Jupiter. Watch the rare video footage.

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A picture of Jupiter snapped by Hubble on September 4th, 2021.
Jupiter recently welcomed a flashy guest from space.

NASA, ESA, Amy Simon (NASA-GSFC), Michael H. Wong (UC Berkeley), Joseph DePasquale (STScI)

NASA awarded $850,000 to a company that wants to pick up space trash the old-fashioned way — with bags

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space junk debris field earth orbit esa
An illustration of space junk. Satellites and debris are not to scale.

ESA

NASA scientists plan to bake, slice, and fire lasers at the asteroid sample from OSIRIS-REx to understand the creation of our solar system

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osiris rex asteroid bennu illustration nasa
An illustration of OSIRIS-REx in orbit around asteroid Bennu.

NASA’s Goddard Space Flight Center/Conceptual Image Lab

India's moon lander and rover didn't wake up despite high hopes

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Image of the rover on board India's moon lander.
India's moon rover, Pragyaan, made history as the first to explore the lunar south pole.

Indian Space Research Organization

Climate Week can make me feel cynical but there are signs that change might be underway

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Climate protesters gather on Madison Avenue in New York City
Climate activists marched on Madison Avenue while protesting energy policy and the use of fossil fuels during New York's Climate Week.

Bryan Woolston/Associated Press

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