The real science behind the mysterious 'Devil Comet' that's larger than Mount Everest and erupting for reasons scientists don't fully understand

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black and white image of sky full of stars, with brighter, fuzzy constellation at center
The solid body of 12P/Pons-Brooks is hidden underneath all the dust and gas in the central blob in the center of the image, taken at the 4.3-meter Lowell Discovery Telescope. T expanding ejecta from the late-July outburst can be seen as a faint two-tailed or two-horned structure at larger distances from the blob.

Dr.

Doctors are now prescribing doxy-PEP, a morning-after pill that helps prevent STIs like gonorrhea, chlamydia, or syphilis

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doctors office
Some doctors aren't waiting for the official CDC recommendation to start prescribing doxy-PEP.

Hero Images/Getty Images

An orca likely 'slurped out' the liver of a half-eaten great white shark that washed up on an Australian beach, scientists say

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A great white shark carcass that washing up on an Australian beach and was likely attacked by a killer whale.
A great white shark carcass that washing up on an Australian beach and was likely attacked by a killer whale.

Portland Bait and Tackle

How Gaza businesses use trash to get around Israeli blockades

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In 2007, Israel set up blockades around the Gaza Strip, claiming that many everyday items could also be used to make weapons.

One Nigerian entrepreneur's solution for millions of old tires

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Waste tires can act as breeding grounds for malaria and cause fires. One Nigerian aims to recycle every one of her country's discarded tires.

How to see the Orionid meteor shower: the best place and time to catch the perfect view

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Three people watching a fireball in the night ske.
The Orionid meteor shower is known to produce fireballs occasionally.

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Doctor's transplanted a genetically-engineered pig heart into a human, again, and now the saved patient has reached a major milestone

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Lawrence Faucette, a pig heart transplant patient, works with a physical therapist at the school's hospital in Baltimore, Md
Lawrence Faucette, a pig heart transplant patient, works with a physical therapist at the school's hospital in Baltimore, Md.

Tom Jemski/University of Maryland School of Medicine via AP

Earth's mysterious core appears to be leaking, leaving scientists baffled

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earth core shutterstock

Vadim Sadovski/Shutterstock

An opulent ancient Egyptian tomb containing 5,000-year-old wine may have belonged to a long-forgotten female pharaoh

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Side-by-side images show vistas from the tomb. On the left, a picture shows the ruins of an ancient tomb buried in a sandy landscape. The tomb's walls draw two concentric squares in the ground. On the right, ancient wine jars are seen half buried in the sand between narrow rectangular walls.
Side-by-side images show the tomb complex of Meret-Neith in Abydos, next to a picture of 5,000-year-old wine jars found in the grave.

An Egyptologist thought a pyramid might have hidden rooms. It took almost 200 years and lidar to prove him right.

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The interior of the Pyramid of Sahure, a storage room and a stone passageway
One of the storage rooms in the passageway recently found in the Pyramid of Sahure.

Mohamed Khaled

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