sciencealert.comadded August 2026
ScienceAlertby Ivan Farkas2d ago
Space rocks like Bennu contain key genetic ingredients such as sugar, which they delivered in explosive fashion to provide early Earth with another source of life-friendly materials.
ScienceAlertby Jess Cockerill2d ago
Before human explorers came along, the Seychelles archipelago was a haven for animals. The islands' relatively peaceful history, prior to the Age of Exploration, is written into the DNA of the...
ScienceAlertby Tessa Koumoundouros2d ago
If you've ever lived with an orange cat, you already know they're built different. It turns out, genetically speaking, they really are.
ScienceAlertby Russell McLendon3d ago
It's clear dementia and sleep disturbances are intertwined, but the relationship remains murky. While poor sleep can increase the risk of cognitive decline, dementia may also raise the risk of...
ScienceAlertby Esra Öz3d ago
When you start a medication and notice something different about your body, a question can follow: Is the drug responsible? Changes to your nails might prompt that question, too.
ScienceAlertby Esra Öz3d ago
A facial mass detected before birth prompted the early delivery of identical twin sisters. A fetal MRI at 33 weeks showed the mass on one baby's face.
ScienceAlertby Jess Cockerill3d ago
Psychopathy is not listed in the Diagnostic and Statistical Manual of Mental Disorders, and it's not an official diagnosis any psychiatrist or psychologist will give.
ScienceAlertby David Nield3d ago
The time-keeping offered by your watch or phone may be good enough for day-to-day life, but scientists are much more ambitious in terms of precision, and use atomic clocks to measure slices of time...
ScienceAlertby Peter Dockrill3d ago
While scientists are still continually learning what causes autism, there's already considerable evidence linking environmental exposures to the condition, in addition to genetic factors.
ScienceAlertby Ivan Farkas3d ago
After being born of mostly just hydrogen and helium, a scant 14-ish billion years later the Universe is full of weird planets of wildly varying makes, shapes, and sizes.
ScienceAlertby Carly Cassella3d ago
Most of us have heard of the Mediterranean diet and its many health benefits, but there's another European eating plan that could also help you live longer.
ScienceAlertby Esra Öz3d ago
If you could peer inside a cell's nucleus, you would find DNA tightly packed into a remarkably small space.
ScienceAlertby Peter Dockrill4d ago
In a mountain village in the heart of Sardinia, Italy, something very special appears to be happening.
ScienceAlertby Carly Cassella4d ago
Giving a child a smartphone before age 13 could be risky for some aspects of their mental health.
ScienceAlertby Esra Öz4d ago
Some pieces of our DNA can copy themselves into new locations. Copies derived from one gene active in human brain cells appear to have taken that journey further: into a virus.
ScienceAlertby David Nield4d ago
Definitions of health conditions matter, because they inform diagnosis, support, treatment, and future research.
ScienceAlertby Peter Dockrill4d ago
Nobody likes the feeling of being constipated, but the consequences of being backed up might be more serious than you realize.
ScienceAlertby Carly Cassella4d ago
A gut pathogen that causes diarrhea and vomiting is morphing into a dangerous and difficult-to-treat sexually transmitted infection (STI).
ScienceAlertby Peter Dockrill4d ago
Taking a nice hot bath at the end of a long day is a wonderful way to unwind, but the end results can go way beyond simple relaxation.
ScienceAlertby Jess Cockerill4d ago
Thousands of tourists come to check out the 'Mouth of Hell', a lava lake inside Masaya Volcano, each month, and millions more people live nearby.
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