"During the early solar system's game of cosmic billiards, Earth was struck by a neighbor,” said Dauphas. “It was a lucky shot. Without the moon's steadying influence on our planet's tilt, the climate ...

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...

For decades, scientists have held to the idea that the Moon was formed by a single, massive impact between Earth and a ...

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, used their iron isotope ratios to trace where Theia originally formed.

The moon was formed 4.5 billion years ago in a "giant impact" that left Earth with a two-hour day, according to new research. Scientists have long debated the circumstances which led to the formation ...

HONOLULU (KHON2) — Scientists continue to explore the deep story of how Earth and the moon formed. One idea has gained attention because it pushes us to imagine the planet in its earliest and wildest ...

Whether it’s under the stars on the Main Green, from smudged dorm windows or through open sunroofs, we see the moon nearly every night. But a new study by Brown researchers suggests that we know less ...

"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system. Earth and Theia are likely to have been neighbors." Over 4.5 billion years ...

The moon formed around 4.46 billion years ago, when an ancient Mars-size protoplanet, known as Theia, collided with Earth, creating a giant cloud of debris that combined into a large spherical ...

SCIENTISTS have discovered an unusual formation on Jupiter’s moon – and NASA says it may hold the secret to extraterrestrial ...

Scientists continue to explore the deep story of how Earth and the moon formed. One idea has gained attention because it pushes us to imagine the planet in its earliest and wildest days.