Cancer survivors grew to 18 million in the US; more than two-thirds aged 65 years or older

Can robotics help us achieve sustainable development?

All five naked-eye planets will appear lined up (in order) in the morning sky tomorrow (Friday, June 24). The last time this rare planetary alignment occurred was way back in 2004. And it won't happen again for nearly 20 years.

Light delayed by seven years as it is bent around a galaxy cluster