Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

Every January, Earth reaches its closest point to the Sun, known as perihelion. Yet, it’s winter in the Northern Hemisphere.

P erihelion – or the Earth's closest approach to our host star – will take place on January 3, 2026. At this point, our ...

When looking at the Earth from space, its hemispheres – northern and southern – appear equally bright. This is particularly unexpected because the Southern Hemisphere is mostly covered with dark ...

At the Northern Hemisphere’s winter solstice the upper half of the Earth is at its furthest lean away from the sun — leading ...

March's equinox comes today, marking the beginning of spring. The days will get longer for the next few months. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Today marks the shortest day and longest night of the year as the sun reaches its lowest point in the Northern Hemisphere sky ...

Astronomers have discovered an unusual Earth-sized exoplanet they believe has a hemisphere of molten lava, with its other hemisphere tidally locked in perpetual darkness. Co-authors and study leaders ...

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 ...

When seen from space, Earth's hemispheres -- northern and southern -- appear equally bright. For years, the brightness symmetry between hemispheres remained a mystery. In a new study, researchers ...