By contrast, the X‑37B experiment is designed as a compact, high-performance, resilient inertial navigation unit for real ...

Saturday's new moon is a seasonal "black moon" — a rare phenomenon that occurs once every 33 months. Here's what that means ...

A 2012 astronaut photo shows the striking beauty of Japan's Aso Caldera, a "supervolcanic" structure home to more than a ...

A gene called ASDL, which helps synthesize DNA, differs between modern humans and our extinct human relatives. The findings ...

NOAA's GOES-19 satellite captured images of Hurricane Erin as it developed in the Atlantic and then rapidly strengthened into a Category 5 storm.

Test your knowledge on all things science with our weekly, free crossword puzzle! If you enjoyed this, see how quickly you ...

Forecasters expect Hurricane Erin, one of the fastest rapidly intensifying storms in history, to bring flooding and dangerous ...