More than tenfold: That is the reported deuterium difference between water in interstellar comet 3I/ATLAS and water measured ...

Earth and Mars began side by side, but their volatile elements reveal sharply different paths from dust and rock to finished ...

According to a new study, the Solar System may break apart within about 6 billion years as the dying Sun’s uneven mass loss destabilizes the outer planets.

Bennu is a small, near-Earth asteroid that makes a close pass to Earth every six years or so. Scientists believe Bennu might have broken off from a much larger carbon-rich asteroid about 700 million ...

Water security has not yet reached the point where buyers routinely ask about it when viewing a property. But it's coming.

Scientists said in a study published Monday that they have found an apparent first: a planet that seems to have formed from ...

Earth and Mars may have started from the same cosmic cloud, but a new study explains how their formation took different paths ...

Astronomers say they have have detected a radio emission from Beta Pictoris b, an exoplanet 63 light-years from Earth, ...

The signal from Beta Pictoris b is not evidence of aliens, but scientists say it could reveal an extraordinarily powerful ...

Ancient iron meteorites reveal that some of the Solar System’s first solid bodies were built mostly from tiny heat-forged rock beads called chondrules, while water-rich dust was largely excluded. The ...

Before the sun fully formed, tiny bits of rock were already recording the magnetic forces present in the very early solar ...

Earth’s Moon may have formed intact within five hours of a giant impact 4.5 billion years ago, as new modeling reveals the ...