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Man nearly guaranteed to get early Alzheimer's is still disease-free in his 70s — how?
By Marianne Guenot published
A man who should have developed early-onset Alzheimer's disease due to a genetic mutation is still symptom-free in his 70s. Scientists are trying to understand why.

Lasers reveal 15th-century fortified Zapotec city in Mexico
By Owen Jarus published
Lidar has fully revealed a 600-year-old Zapotec city in southern Mexico.

Hims & Hers Super Bowl controversy: What the ad left out about its 'alternative' weight-loss drugs
By Stephanie Pappas published
The telehealth company Hims & Hers put out a Super Bowl ad that skimped on clarifying that its compounded semaglutide medications aren't FDA-approved.

Are Atlantic Ocean currents weakening? A new study finds no, but other experts aren't so sure.
By Sascha Pare published
A new study suggests the Atlantic Meridional Overturning Circulation has not weakened since the 1960s — but there's no doubt the circulation will slow in the future, experts say.

X-class solar flares hit a new record in 2024 and could spike further this year — but the sun isn't entirely to blame, experts say
By Harry Baker published
There were significantly more X-class solar flares in 2024 than any other year for at least three decades. The arrival of solar maximum was a key reason for the spike, but other factors were also at play.

'Drones' swarm New Jersey and New York. How close are we to learning what these UAPs actually are?
By Lee Billings published
Reports of unidentified flying objects in the northeast U.S. are on the rise, but so far officials have few answers for alarmed residents.

Your skin color may affect how well a medication works for you — but the research is way behind
By Emily Cooke published
As a new analysis highlights the impact of skin tone on drug safety and efficacy, experts outline what can be done to make medical research more inclusive.

ISS dodges its 39th piece of potentially hazardous space junk. Experts say it won't be the last.
By Sascha Pare published
The ISS performed its 39th ever space junk collision avoidance maneuver on Nov. 19. Although it was the first such maneuver in 2024, it may not be the last, experts say.

Bird flu could become deadlier if it mixes with seasonal flu viruses, experts warn
By Kamal Nahas published
As of now, 17 states have reported H5N1 bird flu cases in humans, but there is still no evidence for transmission between people. Could that change?

'Wake-up call': Women are more likely than men to die of complications after heart surgery
By Julie Goldenberg published
Complications that arise after surgery are more likely to be underrecognized and undertreated in women than in men, leading to higher death rates, new research suggests. Why?
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