sciencedaily.com / .sciencedaily-com / Page 4

A new theory claims dark matter and dark energy don't exist -- they're just side effects of the universe's changing forces. By rethinking gravity and cosmic timelines, it could rewrite our understanding of space and time itself.

A team of astrophysicists has unveiled how colossal stars thousands of times more massive than the Sun shaped the earliest star clusters and galaxies. These short-lived giants not only forged the strange chemical fingerprints found in ancient ...

Evidence now suggests the universe's expansion has started to slow, not speed up. The findings imply dark energy is weakening, marking a possible revolution in cosmology.

Astronomers have discovered that aging stars may be devouring their closest giant planets as they swell into red giants. Using NASA's TESS telescope to study nearly half a million stars, scientists found far fewer close-orbiting planets around older, ...

Researchers have created a bioinspired gel that can regenerate tooth enamel by mimicking natural growth processes. The fluoride-free material forms a mineral-rich layer that restores enamel's strength and structure while preventing decay. It can even ...

Novo Nordisk's oral semaglutide 25 mg achieved up to 16.6% weight loss in a landmark study, rivaling injectable Wegovy. The pill also improved cardiovascular risk factors and physical activity levels. With a safety profile consistent with existing .. ...

Weill Cornell researchers uncovered how free radicals from astrocyte mitochondria can fuel dementia. Using new compounds that target these radicals at their source, they slowed brain inflammation and neuronal damage in mice. The findings reveal a ...

A Northwestern team transformed a common chemotherapy drug into a powerful, targeted cancer therapy using spherical nucleic acids. The redesign dramatically boosted drug absorption and cancer-killing power while avoiding side effects. This innovation ...

Virginia Tech researchers have shown that memory loss in aging may be reversible. Using CRISPR tools, they corrected molecular disruptions in the hippocampus and amygdala, restoring memory in older rats. Another experiment revived a silenced memory . ...

Meditation is widely praised for its mental health benefits, but new research shows that it can also produce unexpected side effects for some people--from anxiety and dissociation to functional impairment. Psychologist Nicholas Van Dam and his team . ...