Spring officially begins today (March 20) with the vernal equinox, bringing longer days and warmer temperatures to the ...

This event signals the start of Spring in the Northern Hemisphere and Autumn in the Southern Hemisphere, a transition that also manifests in our evening skies as winter constellations start to vanish.

You can tell spring has officially begun in the Northern Hemisphere just by looking at the stars. Here's how to easily spot ...

You can tell spring has officially begun in the Northern Hemisphere just by looking at the stars. Here's how to easily spot ...

The Southern Hemisphere is a world of its own, filled with breathtaking landscapes, unique wildlife, and natural phenomena ...

But it glows much more dimly than Venus and hangs even lower, making it nearly impossible to see from mid-southern latitudes ... but it is strictly a Northern Hemisphere event.

Created from debris trails from Halley’s Comet, the eta Aquariids can be seen from both the Northern and Southern Hemispheres ...

Heat waves have gotten hotter in the Northern Hemisphere in recent decades ... evidence show an essential role of the El Niño-Southern Oscillation (ENSO) behind this change.

As the Northern Hemisphere remains in the grip of meteorological winter, with no threat of tropical activity, the Southern Hemisphere is still deep in its cyclone season. In recent days ...