As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

A highly anticipated astronomical event could finally unfold in the coming days, as the enigmatic T Coronae Borealis, also ...

Once you're able to identify a few constellations though ... shift with the seasons, and a map for the Southern Hemisphere won’t help much if you’re in the Northern Hemisphere.

At the start of March, Mercury and Venus lay in the west after sunset. Now both have passed between us and the Sun into the ...

The country supports some of the world’s most important satellites. But experts worry about its proximity to Russia.

Observers can spot the Orion constellation in northern winter or southern summer. “This region is easily visible in the winter sky in the Northern Hemisphere,” said Alves ... while star surveys map ...

Celestial north is up in this imagery, corresponding to the view from mid-northern latitudes. Rotating the images by 180 degrees would create the south-up view for southern hemisphere observers ... to ...

The moon slipped between the Earth and the sun on Saturday, casting a shadow on our planet in parts of the United States, ...

Spring officially begins today (March 20) with the vernal equinox, bringing longer days and warmer temperatures to the Northern Hemisphere ... journey through the constellations of the zodiac ...