Witness the majestic evening departure of HMS Dragon, the Royal Navy's Type 45 destroyer, as she sets sail from Portsmouth.

As twilight fades to night these May evenings, Mars stands out in the northern sky. It begins the month near the center of Cancer the Crab not far from the magnificent Beehive star cluster (M44). The ...

Incidentally, one way that you can tell the difference between a star and a planet in the night ... nautical twilight, when the sun is 12 degrees below the horizon and the background sky is ...

The day-and-a-half-old moon cuts a crisp figure against the diffuse, orange glow of evening twilight several years back. On Monday night, April 30, the moon will be a hair thinner and look just as ...

As twilight fades to night these May evenings, Mars stands out in the northern sky. It begins the month near the center of Cancer the Crab not far from the magnificent Beehive star cluster (M44).