"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 ...

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 ...

With a 4% chance of hitting the moon in 2032, an asteroid named YR4’s potential collision course is being monitored by NASA.

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 ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

Could a passing star be on a collision course with our solar system and, eventually, Earth? It’s difficult to know if such an outcome is likely. Recently, researchers have found the Milky Way likely ...

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon ...

Earth and the planetary object that gave rise to the Moon were likely born in the same region of the solar system.

A potentially hazardous asteroid is now drawing grave concerns from the international space community as it can bring significant damage to the planet if it hits, and this is something that the ...

Interstellar comet 3I/ATLAS is tearing through our solar system at roughly 130,000 miles per hour, a speed that turns ...