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What counts as a phobia?
By Stephanie Pappas published
Specific phobias are out-of-proportion fears to objects, animals or situations, and fortunately, they can be treated.

Ancient Egyptian city of Alexandria — the birthplace of Cleopatra — is crumbling into the sea at an unprecedented rate
By Jess Thomson published
Coastal erosion from rising sea levels has led to the collapse of 280 buildings across Alexandria, Egypt, over the past two decades.

New stem cell therapy could repair 'irreversible' and blinding eye damage, trial finds
By Emily Cooke published
A new therapy repairs corneal damage to a patient's eye using stem cells from their other, healthy eye.

'We didn't know they were going to be this cute': Scientists unveil genetically engineered 'woolly mice'
By Sascha Pare published
Scientists with the company Colossal have created genetically engineered "woolly mice" with thick, golden-brown hair and fat deposits similar to those of cold-adapted woolly mammoths.

Where will the 'Blood Moon' total lunar eclipse be visible in March 2025?
By Jamie Carter published
A total lunar eclipse on March 13-14, 2025, will be visible across Earth's night side. See detailed maps of where and when to watch the dramatic 'Blood Moon'.

Watch this humanlike robot 'rise from the dead' with creepy speed and stability
By Ian Stokes published
Humanoid robots typically struggle to stand up after being knocked over, but new AI-powered research from China brings us one step closer to the rise of the machines.

Spectacular photo taken from ISS shows 'gigantic jet' of upward-shooting lightning towering 50 miles over New Orleans
By Harry Baker published
A newly unveiled astronaut photo shows a "gigantic jet" shooting upward from a thunderstorm above Louisiana in November 2024.

Gut bacteria imbalance linked to multiple sclerosis
By Ashutosh Mangalam published
Levels of two types of bacteria in your gut could help improve the diagnosis and treatment of multiple sclerosis.

Giant, pyramid-like 'star dunes' slowly wander across Moroccan desert
By Harry Baker published
Earth from space This 2023 astronaut photo shows a series of slowly moving "star dunes" in the Erg Chebbi region of Morocco. Most of these massive structures are likely several centuries old.

Daylight saving time 2025: When does the time change, and why?
By Jeanna Bryner last updated
Here's a look at when the time changes for daylight saving time 2024, and what is the purpose of daylight saving time in the first place.

'Extraordinary' timber circle discovered in Denmark is roughly the same age as Stonehenge
By Kristina Killgrove published
Archaeologists in Denmark have discovered the remains of a large timber circle that may be contemporaneous with England's Woodhenge and Stonehenge.

'Einstein's equations need to be refined': Tweaks to general relativity could finally explain what lies at the heart of a black hole
By Andrey Feldman published
Black hole singularities should not exist, according to theories of quantum mechanics. New tweaks to Einstein's equations of general relativity could finally do away with them, and explain what truly lies at the heart of a black hole.

'Primordial' helium from the birth of the solar system may be stuck in Earth's core
By Stephanie Pappas published
The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed.

Sunrise on the moon captured by Blue Ghost spacecraft after NASA and Firefly Aerospace announce successful lunar landing
By Patrick Pester published
The Blue Ghost spacecraft has taken its first images of the lunar surface as Firefly Aerospace and NASA celebrate a successful moon landing.

Fast radio burst traced to the outskirts of an ancient 'graveyard' galaxy — and the cause remains a mystery
By Jenna Ahart last updated
Scientists have traced a repeating fast radio burst (FRB) to the edge of an ancient galaxy where star formation has drastically dropped. Researchers are struggling to explain what caused it.

1,500-year-old skeleton found in chains in Jerusalem was a female 'extreme ascetic'
By Kristina Killgrove published
Archaeologists were surprised that the skeleton of a person wrapped in heavy chains was female.

Key to faster 6G speeds lies in letting new AI architecture take control, scientists say
By Roland Moore-Colyer published
Scientists are developing AI models that analyze wireless traffic as a whole, making high-speed networks such as 6G more rapid and reliable for users of cell phones and other mobile devices.

Yup'ik masks: Carvings depicting distorted spirits' faces dreamed up by shamans in Alaska
By Kristina Killgrove published
These masks, known for their distortion and asymmetry, are one of the oldest kinds of art in southwest Alaska.
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