Earth experiences different seasons due to its 23.5-degree axial tilt and its orbit around the Sun. This tilt changes how sunlight reaches different regions throughout the year, leading to summer, ...

Seasonal changes are caused by Earth's 23.5-degree axial tilt, not its distance from the Sun. When a hemisphere leans towards ...

The annual clock of the seasons—winter, spring, summer, autumn—is often taken as a given. But our new study in Nature, using a new approach for observing seasonal growth cycles from satellites, shows ...

Friday is the day of the summer solstice, traditionally known as the first day of summer. But what makes it so significant for summer and what does it mean for us in Houston? Here are five things to ...

Eclipses don't happen at random — they arrive in pairs, on schedule, and 2026 brings two spectacular seasons to prove it.

Friday is the day of the summer solstice, traditionally known as the first day of summer. But what makes it so significant and what does it mean for us in San Antonio? Here are five things to know ...