Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner ...

The chemical composition of meteorites and asteroids acts as a kind of fingerprint, providing information about the origin of ...

A strange flicker from a star 11,000 light-years away reveals evidence of two planets crashing together in a rare cosmic ...

Meteor impacts may have helped spark life on Earth, creating hot, chemical-rich environments where the first living cells ...

Theories around the formation of Earth have just been challenged by researchers from ETH Zurich. For a long time, the general idea saw our planet forming from a mixture of local planetesimals – the ...

Planetary scientists led by Paolo Sossi have determined that Earth assembled almost entirely from material originating in the ...

Exactly when and how plate tectonics started, however, is a matter of debate. Now, in a study published March 19 in the ...

Perseverance sampling a rock called Cheyava Falls in Neretva Vallis. (NASA/JPL-Caltech/MSSS) The discovery of abundant nickel ...

Scientists say they have uncovered new clues in Australia about when plate tectonics began on Earth, the only known planet to ...

For years, planetary scientists have argued that some of the material that built Earth must have drifted in from beyond ...

NASA's Artemis II astronauts — three space station veterans and a Canadian rookie — stand out even in an astronaut corps full ...