When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

This official Star Wars Yoda Lightsaber features a glowing blade and sound effects to make for epic, playful battles.

One can feel grounded out under the stars. If it’s an identity you seek, you could do worse than asterism, a word to which ...