Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

The night-sky models enabled him to later identify the planets in ... For example, the three innermost planets — Mercury, ...

When a mudflat crumbles on Earth, or an ice sheet splinters on one of Jupiter's moons (Europa), or an ancient lakebed breaks ...

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, Mercury will join the fun, with all seven of our planetary neighbors visible ...

This Friday, all seven of the other planets in our solar system will be visible in the night sky. This rare celestial event, often called a planetary alignment or "planet parade," will offer a ...

In a world obsessed with quiet luxury and pared-down elegance, Dilara Findikoglu offers an alternative: celestial chaos, ...

A fresh look at past data reveals that exoplanets with masses similar to Jupiter formed much sooner than previously thought, according to new research.

In a way, the disk “waters” the terrestrial planets: Mars, Earth, Venus and Mercury ... are well documented. Our model, which begins with the degassing of ice from the original asteroid ...