For the first time ever, scientists have discovered evidence of two planets crashing into each other in a spectacular collision. These two distant exoplanets are thought to have been ice giants—like ...

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 ...

Scientists are exploring the origin of life's ingredients on our planet. A recent study suggests that essential volatile compounds, such as hydrogen and carbon, may have come from a cataclysmic impact ...

In a solar system about 1,800 light-years from Earth, two planets smacked into one another in an impact that vaporized them both. And astronomers caught them in the act. “The possible detection of a ...

A hot cosmic mess: Researchers have detected the afterglow of a cataclysmic event that resulted in the destruction of two ice giant planets. This collision was so intense that it caused a noticeable ...

Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on Reddit (opens in a new window) Share on Hacker News (opens in a new window) Share on Flipboard (opens in a new ...

Planet formation is thought to be a messy process, as lots of growing planets end up in unstable orbits, resulting in large collisions like the one that resulted in the Moon's formation. The messiness ...

the Earth you walk on today might not be the same planet that was born 4.5 billion years ago. Many scientists believe that in its infancy, Earth collided with another world the size of Mars, and that ...