The remains of a scrub brush-like worm
They develop a new technique to find life on Mars
Surfers could help spread superbugs
The levitation of human beings, getting closer and closer
A 'potentially dangerous' asteroid is approaching Earth
2017 was the warmest year on record for the oceans
They create a computer network that predicts political corruption
They discover a star orbiting a black hole 16,000 light years away