Apple has launched AFib History on Apple Watch in mainland China, giving diagnosed users a new way to track heart rhythm patterns over time.

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

These three exoplanets are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by a mysterious smog.

NASA has offered a sneak peek inside its Mars simulation habitat where four volunteers have now spent 150 days isolated from the outside world. By living within the confines of the 1,700-square-foot ...

Portal Space Systems is partnering with Paladin Space on a commercial service that would round up and dispose of orbital debris.