Would you guess that the Earth is spinning at 1,000 mph around its axis and at the same time hurtling through space on its ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.

The fall equinox marks the first day of autumn. When does fall officially begin in 2025? This visual guide will help get you oriented.

An enormous asteroid is approaching Earth at 24,136 miles per hour—and will be at its closest to us in two days' time. The ...

As with equinoxes, solstices are associated with Earth's tilt, but instead of daylight and nighttime being even, the days and nights are at their extremes. The winter solstice is the shortest day of ...

Saturn’s rings orbit along the planet’s equator. Their appearance depends on the tilt of Saturn’s spin axis toward the Sun.

A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric layer, the exosphere, as it morphs and changes in response to the ...

NASA is tracking an airplane-sized asteroid that's due to zip past Earth tomorrow at around 28,600 miles per hour, according to the space agency's Center for Near-Earth Object Studies (CNEOS). The ...