Venus looks like Earth’s twin at first glance, yet its rotation behaves like a cosmic prank. The planet spins backward, ...

Many objects in space rotate. Earth completes a spin in roughly 24 hours, while Venus takes a whopping 243 Earth days. The ...

Most of the time, the shape of Earth’s magnetic field is quite similar to that which would be produced by a bar magnet ...

This coming July, Venus could plow through the dust generated by an asteroid breakup thousands of years ago, potentially ...

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

Mercury, Venus, and Saturn put on an early-evening display in the west, while Jupiter dominates the rest of the night.

A mysterious interstellar visitor sparks fears of alien contact as Baba Vanga's prophecy predicts a colossal spacecraft in 2026.

February 2026 begins with the Full Moon, the Snow Moon, on February 1. The last quarter moon is on February 9. The new moon, an annular eclipse visible only in Antarctica, is on February 17. The ...

February starts with a subtle surprise just after sunset Feb. 2. Jupiter is blazing away about one-third of the way to the ...

Measurements of seismic waves over many years suggest the Earth's core is deformed and reshaped by conditions of extreme heat and pressure.

Discover the only planet in our solar system that rotates clockwise. Learn why this 'rebel' planet spins backwards, how a collision changed its history, and why its days are longer than its years.

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if Mars weren't there?" ...