A saliva or cheek swab test could eventually help doctors prioritize patients for endoscopy, particularly in communities with ...

In an existing theory of gravity, the same present-day matter density can fit two very different histories of the universe.

High cholesterol can quietly weaken the liver’s ability to clear harmful fats from the bloodstream. Scientists have uncovered ...

The breakthrough involves three new drug-like molecules that block β-arrestins, proteins that normally dampen cellular ...

Butterflies in the genus Colobura are a ubiquitous and familiar sight in Central & South America. For 200 years, this genus ...

Sreang Hok/Cornell University. Solar grazing is helping sheep farmers expand their businesses, opening opportunities for ...

A rare and deadly virus went undetected in Brazil after genetic changes allowed it to escape existing laboratory tests.

Natural killer cells reprogrammed inside mice eliminated lymphoma tumors and helped damaged livers heal, though whether this ...

Chemicals that disrupt hormones may leave a molecular “scar” that could someday help identify people at higher risk of breast ...

Molten rock deep inside Earth can take up an extra supply of oxygen under pressure, according to a new study. That finding ...

Credit: Alberto Martínez Villa Ancient DNA from cave walls offers clues to prehistoric visitors’ sex and ancestry, potentially allowing scientists to investigate who used these spaces without ...

An international research team has demonstrated a simple, inexpensive membrane that could handle part of this separation at ...