NASA rover lands on Mars to look for signs of ancient life

A NASA rover streaked through the orange Martian sky and landed on the planet Thursday, accomplishing the riskiest step yet in an epic quest to bring back rocks that could answer whether life ever existed on Mars.

Toward a disease-sniffing device that rivals a dog's nose

Numerous studies have shown that trained dogs can detect many kinds of disease—including lung, breast, ovarian, bladder, and prostate cancers, and possibly COVID-19—simply through smell. In some cases, involving prostate ...

A high-resolution glimpse of gene expression in cells

Using a novel technique for expanding tissue, MIT and Harvard Medical School researchers have devised a way to label individual molecules of messenger RNA within a tissue sample and then sequence the RNA.

Researchers map genome of the last living wild horse species

University of Minnesota researchers have successfully mapped the complete genome of the endangered Przewalski's horse. Once extinct in the wild, the species now has a population of around 2,000 animals thanks to conservation ...

Short commercial space flights may not have big impact on health

The first all-civilian space mission is shedding light on the potential health risks facing private astronauts. The takeaway is short-duration spaceflights appear to pose none that are significant. The study sample was small—four ...

page 6 from 40