When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

The outer planets of the solar system are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

The Solar System is more than just planets; it is home to a dazzling variety of moons, each with its own unique charm. Some ...

Westfield High School senior Kaitlynn Goulette and freshman Krystyna Goulette have developed a walkable, scale model of the ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

About 4.5 billion years ago, Earth had a violent neighbor. A young, still-forming planet named Theia slammed into our world with enough force to melt vast portions of its mantle and scatter a huge ...

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with ...

Moon’s precursor planet, Theia, disappeared billions ago, leaving scientists no direct chemical evidence to support the ...