July 6, 2026 Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien ...

Make sense of the day’s news and ideas. Catch up on big news, and wind down to end your day. The biggest stories of our time, in 20 minutes a day. A guide to understanding the news, made for readers ...

Are you an emoji person? We explore how simple smiley faces have become powerful communication tools.