Every year in early January, Earth reaches the closest point in its orbit to the Sun, a moment astronomers call perihelion.

Geography students should be aware of the distinctions between the Northern and Southern Hemispheres. The equator separates the Earth into the Northern Hemisphere and the Southern Hemisphere.

An international team of scientists has uncovered evidence glaciers in the Southern and Northern hemispheres were synchronous ...

The Earth became darker from 2001 to 2024, meaning it reflects less sunlight, a research team reports in the journal Proceedings of the National Academy of Sciences. The development is more pronounced ...

Matthias Dehling receives funding from the Australian Research Council. The snow petrel, a strikingly white bird with black eyes and a black bill, is one of only three bird species ever observed at ...

Every year, Earth follows a familiar pattern of seasonal changes: As summer rolls around in the Northern Hemisphere, winter creeps in in the Southern Hemisphere, and vice versa. But do other planets ...

Yes the darkest day of the year is here, but that means brighter days are ahead. Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter.

Peak sunshine has arrived in the Northern Hemisphere — the summer solstice. Friday is the longest day of the year north of the equator, where the solstice marks the start of astronomical summer. It's ...

Here’s what you’ll learn when you read this story: The radiation budget between the northern and southern hemisphere is steadily widening. A new study suggests that this gap is due to radiation ...