Prefer Newsweek on Google to see more of our trusted coverage when you search. Everything we thought we knew about the moon's origins may be wrong, new research suggests. Ever since we landed the ...
The Giant Impact Hypothesis has long fascinated scientists as the leading explanation for the Moon's formation. Around 4.5 billion years ago, the Earth and a Mars-sized protoplanet called Theia ...
Our Moon was formed from a violent collision that occurred around 4.5 billion years ago. And the giant body that smashed into the Earth, birthing the planet’s natural satellite, was named Theia. A new ...
New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon, came from closer to the sun. Artist’s impression of the collision between ...
February 11, 2026, Mountain View, CA – Recent research suggests that Saturn’s bright rings and its largest moon, Titan, may have both originated in collisions among its moons. While Cassini’s 13-year ...
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