New research reveals where the nearest alien civilization may exist, which could be far older than intelligent life on Earth.

The idea was that high-powered lasers would propel tiny probes to 20 percent of the speed of light, impelling them with ...

Turn your eyes to the east in the early morning hours of Sept. 16 to see the moon conspire with Jupiter and the bright stars of the Gemini constellation to create a lopsided rectangular formation in ...

Delving into the realm of geomagnetism and volcanology, scientists have unearthed a fascinating link between volcanic ash and ...

A collection of short dispatches from the field of climate microbiology conveys the contributions that single-celled life ...

These phenomena are erratic. They interact at every scale and manifest as weather, from clear sunny days to blustery ...

Viking consisted of two twin orbiters and landers, with experimental chambers in the landers to conduct three biology ...