Learn how to calculate the Earth’s orbital speed using fundamental principles of orbital mechanics and gravity. This video walks through the key equations and physical reasoning that explain how Earth ...

Scientists watched a solar flare grow from tiny magnetic sparks into a violent plasma-raining avalanche on the Sun.

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This ...

When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

Earth’s ice ages have long been blamed on subtle wobbles in our own orbit, but new research suggests a distant accomplice is ...

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise direction. However, the universe never ceases to amaze us with its unexpected ...

Neptune takes its sweet time in an orbit around the sun, spending around 14 years in each sign and completing its orbit in ...

Earth’s magnetic field nearly collapsed long ago. What saved it explains why life survived and why the planet remains ...

Venus gets called Earth’s twin because of how similar the two planets are in size and structure, but that’s where […] ...

Humanity’s appetite for energy is rising far faster than our ability to generate it cleanly, and the physics of our own star ...

There is a long and intriguing history behind the human obsession with the Moon, which is thousands of years old.

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...