Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed to fail.

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

The successful launch and testing of a giant airship-come-wind-turbine earlier this month has prompted discussion on whether they could be the future of sustainable power in China. Called the S2000 ...