This asteroid dirt might explain the origins of life on Earth

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NASA has successfully returned a 250-gram sample of dirt from a near-Earth asteroid called Bennu. Scientists around the world will study the rock particles to see if they contain clues to the origins of life on our planet. 

9 orcas have died so far this year after they were trapped in fishery equipment off the coast of Alaska

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An orca swimming.
Nine killer whales have died after being caught in fishery equipment off the Alaska coast this year.

Enrique Marcarian/Reuters

NASA will preserve asteroid samples from OSIRIS-Rex for centuries to come so that scientists not even born yet can study them

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The 2016 takeoff os OSIRIS-REx.
NASA first launched OSIRIS-REx seven years ago. Now, it's returning to Earth bearing a sample from the asteroid Bennu.

United Launch Alliance via NASA

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

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