What if planet Earth is undergoing such rapid change that the traditional framework of “seasons” no longer makes sense in our ...

Since Kepler's laws of motion dictate that celestial bodies orbit more slowly when farther from the sun, we are now moving at ...

Explore the causes of Earth's seasons in this 1979 film. Learn how the Earth's axis tilt and orbit around the sun create seasonal changes, equinoxes, and solstices.

Why does the Earth’s tilt create our season? The Earth orbits the Sun, but with a tilt. That tilt is important to those of us on the planet because it creates our seasons. How does that work ...

SDO has roughly two 'eclipse seasons' per year, and is currently in its 31st since the mission launched. It begain on July 10 ...

The simple answer to this, though, is that our seasons and weather depend on the way the Earth is tilted towards the sun and not how close or how far the two celestial objects are from each other.

Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your definition of “rotate”). This gives us the night-day sequence and the yearly cycle of the seasons.

The Earth spins on an axis (imagine a line running from pole to pole) and the planet sports a jaunty 23.5-degree tilt. The tilt is what gives us seasons.

Earth’s orbit around the Sun isn’t a perfect circle—it’s slightly elliptical. Each year, around July 2 or 3, Earth reaches its farthest point from the Sun, known as aphelion.

March 19 marked the official start to the spring season in the northern hemisphere — the earliest spring has arrived in the U.S. in 128 years. On this day, the sun shone directly above the ...

While Venus passes between the Earth and Sun every 19.5 months, it's only about every eight or so years that the planet becomes visible both after sunset and before sunrise, according to the ...