"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 ...

About 4.5 million years ago, a great cosmic dog kicked past our Solar System – and its effects may still be seen today.

In the current issue of the journal Science, researchers determine the possible composition of Theia. The impactor’s ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

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

Isotopic fingerprints in lunar, terrestrial, and meteorite samples show Theia formed in the inner Solar System, likely near ...

I nterstellar comet 3I/ATLAS will make its closest approach to Earth this month, whizzing by at 270 million kilometers (168 million miles) away, putting on a show for anyone equipped even with a small ...

For decades, astronomers have detected an unusual mix of ionised gas in the local clouds. Roughly 20% of hydrogen and 40% of ...

For only the third known time, a space rock from the deep void is paying us a call ...

About 4.5 billion years ago, the most momentous event in the history of our planet occurred: a huge celestial body called ...

Explore India's strategic opportunities in nuclear power in earth orbit and on the moon amid evolving energy needs.

If you look up on a clear night, the brightest and largest object in the sky will probably be the moon. And unless you have a decent telescope, it is the only natural satellite you can see with your ...