NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

For more than 25 years, humans have lived and worked continuously aboard the International Space Station, conducting research ...

To stay healthy, our cells rely on a self-cleaning mechanism that removes defective or unnecessary components. This process, ...

As US teachers discover more and more legacy chemicals in schools, funding for cleanup is hard to find. Educators, nonprofits ...

One year ago, Tim Andrews was among the world’s first recipients of a genetically modified pig kidney. Now, he is the first in that small group of pioneers to go on to receive a human kidney.

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...