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 microorganism ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Ten days after that interview with the president, his then–special envoy for Latin America, Mauricio Claver-Carone, was ...

In our editorial, we are delighted to launch Communications Health, a selective, open-access journal in the Nature Portfolio publishing research and commentary in all areas of public and global health ...