:rocket: Could aliens be hiding on a frozen twin of Earth? NASA has just discovered a rocky exoplanet that’s remarkably ...

Nasa's old Galileo data reveals ammonia-bearing compounds on Europa's icy surface near fractured zones.

Read an excerpt of this deep-space mystery from the prolific writer of 'Whalefall' and 'Angel Down.' ...

A 13-atom molecule containing sulfur has been discovered in interstellar space for the first time, providing insight into the origins of the chemistry of life.

Here, the best "Would You Rather" questions to ask your friends, family, and complete strangers next time you're looking to ...

Leslie Kean and Ralph Blumenthal report on discussions between U.S. lawmakers and Brazilian witnesses marking the thirtieth ...