Ancient rocks from Greenland, Canada and Hawaii preserve a rare chemical fingerprint that may come from the Earth before the ...

Hidden deep in ancient rocks, scientists have found the surviving traces of Earth’s first form—unchanged for 4.5 billion ...

Many scientists call Jupiter the architect of the solar system because its immense gravity influenced the orbits of other ...

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed ...

University of California, Irvine. An international team of researchers has identified a strong candidate for a nearby, potentially rocky exoplanet orbiting within its star’s temperate zone. The world, ...

When a Mars-sized meteorite slammed into Earth billions of years ago, the impact completely reset any and all chemical ...

Astronomers have discovered GJ 251 c, a rocky super-Earth just 20 light-years away, one of the most promising nearby worlds ...

Meet 2025 PN7, Earth’s newest quasi-moon An illustration of the inner solar system, showing the orbits of the planets and the ...

The world – named GJ 251 c and lying less than 20 light years away – is thought to be a “super Earth”, a class of planets ...

Astronomers have spotted a quasi-moon near Earth — and the small space rock has likely been hanging out near our planet ...