3-D printed parts are in planes right now, but manufacturers are proceeding carefully out of safety concerns
Get the most out of next year’s once-in-a-lifetime experience
Webb will unveil cosmic wonders we’ve never seen before
The real risk is for pseudoscience, not mood swings or tsunamis
A woman astronomer’s 20-year quest to find 100 Earth-like planets is within reach
The twin paradox shows how approaching the speed of light alters both time and space
A mineral’s strange properties may explain the rift between the earth’s layers
Researchers are using biological glow sticks and finely-tuned cameras to look deeper within cells.