Astronomers discovered 44 ancient stars using gravitational lensing—an astrophysicist explains how they did it
A group of astronomers have made history by capturing an image of a record number of stars from a time when the universe was ...
South Africa's rare succulent plants are threatened by illegal trade—how to stop it
South Africa's succulents—small, fleshy, green plants sometimes shaped like roses or stars, and often found peeping out ...