Learn how to spot Sirius, Procyon and their canine constellations, and discover the myths and science behind the dog stars.

Two nights ago, Venus sported a small, weakly-colored corona. Coronas form when light is diffracted or scattered by tiny ice droplets ( or occasionally ice crystals) in high clouds. Notice that the ...

NORFOLK, Va. — As temperatures soar and the sun blazes, we find ourselves in the middle of the "Dog Days of Summer." These next few weeks will give us heatwaves and lethargic afternoons, but what ...

Every night as you lie down to sleep there lies a sky just beyond your roof, full of millions of luminous spheres of plasma, or rather stars. “Sirius” — a star that lies in the Canis Major ...

"Dog Days are approaching; you must, therefore, make both hay and haste while the Sun shines, for when old Sirius takes command of the weather, he is such an unsteady, crazy dog, there is no ...

There are three dog constellations in the night sky, but the best known are Canis Major and Canis Minor, the constellation Orion the Hunter’s faithful hunting dogs. Canis Major and Canis Minor are ...