See also stories tagged with Space Shuttle Discovery
A team led by the Department of Energy's Oak Ridge National Laboratory created a computational model of the proteins responsible for the transformation of mercury to toxic methylmercury, marking a step forward in understanding ...
"I'm fascinated with life, and that's why I want to break it."
Plants are factories that manufacture yield from light and carbon dioxide—but parts of this complex process, called photosynthesis, are hindered by a lack of raw materials and machinery. To optimize production, scientists ...
Bacteria are found living nearly everywhere on our planet, from the inside of human intestines to the soil to deep underwater. When scientists study bacteria in the lab, they most often examine individual bacterial cells ...
The enzyme nitrogenase is a biological catalyst that can reduce dinitrogen (N2) to ammonia in the presence of a suite of complex metallocofactors. However, the mechanistic details of the reaction remain scarce. In a new report ...
Archaeological excavations deep within the rainforests of Sri Lanka have unearthed the earliest evidence for hunting with bows and arrows outside Africa.
Here are key milestones in the history of crewed US spaceflights, which resume on May 27 with the first transport of US astronauts to the International Space Station for nine years.
As Japan's second female astronaut to fly up in the Space Shuttle Discovery, Naoko Yamazaki didn't expect to spend a quarter of her time dusting, feeding mice and doing other menial jobs.
Scientists have identified a key process in the way bacteria protect themselves from attack—and it heralds a new strategy in the hunt for antibiotics.
The NASA/ESA Hubble Space Telescope's iconic images and scientific breakthroughs have redefined our view of the Universe. To commemorate three decades of scientific discoveries, this image is one of the most photogenic examples ...
