Science News

From the possibility that the earliest humans were one species rather than many, to the discovery of the oldest known human DNA, LiveScience reviews what we learned about human origins in 2013.

Two Russian cosmonauts on Friday set a Russian record for longest spacewalk, when they installed two new cameras on the international space station, and later removed them as the devices failed to operate due to an unspe...

Since the development of induced pluripotent stem cells in 2006, scientists have managed to use the manufactured stem cells like seeds to grow a wide range of tissues and rudimentary ...

This week in science, we found out it's okay to eat peanuts while pregnant, heard about some of the hurdles to getting widespread solar power off the ground in Hawaii, and looked back on a year's worth of science: the re...

From 12 Days of Science to some amazing images of the day, here are our picks for amazing Science images this week.

Back in November, we wrote about a tiny pacemaker made by Silicon Valley startup Nanostim. Whereas traditional pacemakers require chest surgery and a pocket to implant the device in--the Nanostim pacemaker is implanted b...

Heart rate monitors provide immediate feedback on how hard you are working out so that you can make adjustments to get the greatest benefit from your exercise regimen.

Blood pressure is one of the vital signs that doctors measure to assess general health.