Satellites need electricity to run their instruments, computers and communications equipment. Most get it from solar cells made with specialised materials that perform well in space but are expensive ...
The moon has no global magnetic field today, but a buried rock formation on its far side may hold evidence that it once did. By combining measurements of gravity and magnetism from spacecraft, ...
As we grow older, some cells stop dividing but remain in the body. Scientists call them senescent cells. They are sometimes nicknamed “zombie cells” because they are still alive, even though they no ...
Earth may have become a promising place for the chemistry that led to life about 4.33 billion years ago, according to a new study. At that time, some parts of the planet may have stayed cool long ...
No one could place a thermometer under a Tyrannosaurus rex’s tongue. Yet scientists have found a way to estimate its body temperature using a small amount of fossilized tooth enamel. A UCLA-led team ...
Nearly a mile beneath South Dakota, a detector built to search for dark matter has recorded one unusual event. Scientists cannot readily explain it using the ordinary sources of interference they know ...
A week of strength training changed how abdominal fat behaved in obese mice, even though the animals did not lose weight. Researchers at the State University of Campinas (UNICAMP) in Brazil found ...
Smoking has long been linked to early death, but U.S. statistics have revealed a curious pattern. In 1987, smokers had about a 3.4% chance of dying within five years, while by 2013 that figure had ...
Intermittent fasting has attracted attention because it offers a simple idea: instead of worrying mainly about what you eat, ...
A high PSA blood test can be worrying, but it cannot tell doctors for certain whether a man has prostate cancer. New research suggests a specialized scan could give doctors another important clue ...
Low bone density may be connected to faster changes in the aging brain, according to research from Johns Hopkins University. The study found that people with lower bone mineral density in the spine ...
High blood pressure, also known as hypertension, is one of the most common health problems worldwide. If it remains too high for years, it can damage blood vessels and increase the risk of heart ...
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