Is tonight a full moon? Here's when and how to watch zooming fireballs in the sky from Perseid meteor shower — this weekend.

A meteorite that crashed in Germany almost 300 years ago is now helping scientists change how we understand heat. Carved from ...

Natural diamond, seen here, has a cubic packing structure. But a much rarer form of diamond has hexagonal packing and has now ...

Here's everything to know about the August full moon, including what is a sturgeon moon and what big celestial event coincides with it.

When the moon completes the first quarter of its journey around Earth this morning at 5:41 a.m. Its 90-degree angle between ...