Interstellar forecast for a nearby star: Raining comets! NASA's Hubble Space Telescope has discovered comets plunging onto the star HD 172555, which is a youthful 23 million years old and resides 95 light-years from Earth.
Lounging in the shade of a tree, Heathcliff the cheetah oozes sleek grace and power, but he is captive behind a wire fence—perhaps the only way that cheetahs will exist in a few decades' time.
The smartphone continues to change the world a decade after the debut of the iPhone, even as Apple is under pressure to come up with a new wonder.
A team of international scientists have found a way to make memory chips perform computing tasks, which is traditionally done by computer processors like those made by Intel and Qualcomm.
A treatment billed as a potential breakthrough in the fight against disease, including cancer, could back-fire and make the disease fitter and more damaging, new research has found.
When matter changes from solids to liquids to vapors, the changes are called phase transitions. Among the most interesting types are more exotic changes—quantum phase transitions—where the strange properties of quantum ...
Scientists at Van Andel Research Institute and Rockefeller University have successfully described a crucial structure involved in DNA replication, placing another piece in the puzzle of how life propagates.
Biologists at UC San Diego who recently found that bacteria resolve social conflicts within their communities and communicate with one another like neurons in the brain have discovered another human-like trait in these apparently ...
Medical implants like stents, catheters and tubing introduce risk for blood clotting and infection - a perpetual problem for many patients.