Research & Innovation

NASA announces discovery of 7 Earth-sized alien worlds

Facial recognition software could help save endangered lemurs

Mariana Trench contains 'extraordinary' levels of toxic pollution

3 solar innovations to watch

Scientists invent paper that can be printed with light instead of ink

This bot can fly like a bat — and that's no easy feat

Scientists transform used cooking oil into material that's stronger than steel

See-through robot is a fisherman's dream

Long-lost Dark Age kingdom unearthed in Scotland

Scientists have created metallic hydrogen. Here's how it could change the world

Tomatoes tasted much better 100 years ago. Can their flavor be restored?

'Smart glasses' automatically focus on whatever wearer is looking at