Although there is no Android version, this slick Apple-exclusive stargazing app comes in a visually-stunning free version with two in-app upgrades for serious users. Why you can trust Space.com Our ...

Correspondence to Dr Luke J Heales, Department of Exercise and Health Science, School of Health, Medical and Applied Sciences, Central Queensland University, Rockhampton, Queensland, Australia; ...

Correspondence to Dr Anna K Porter, Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, 137 E Franklin St Suite 306, Chapel Hill, North ...

Being Google's premiere email service, Gmail has plenty of useful features like built-in translation and the glorious Unsubscribe button that slowly whittles down the spam coming to your inbox. But a ...