"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." ...

About 4.5 billion years ago, Earth had a violent neighbor. A young, still-forming planet named Theia slammed into our world ...

Eons ago, when the Earth was still barely formed, scientists believe a fiery eruption or collision sent a massive spray of debris out into space. That debris, they say, would have then fueled the ...

Moon has been Earth’s celestial companion for over four billion years. However, the formation of this natural satellite was catastrophic. It was long believed that the Moon was born from a cataclysmic ...

Planetary scientists have recently drawn a connection between the birth of Jupiter and the formation zone of Earth, suggesting a shared origin in the early solar system. This revelation not only ...

New observations indicate that the asteroid Lutetia is a leftover fragment of the same original material that formed Earth, Venus, and Mercury. Astronomers have combined data from the European Space ...

Fresh evidence suggests early Earth wasn’t locked under a rigid stagnant lid but was already experiencing intense subduction.

Birth of Planet Earth tells the twisted tale of our planet’s origins. Scientists now believe that our galaxy is filled with solar systems, including up to a billion planets roughly the size of our own ...