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

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

Roughly 4.5 billion years ago, the young solar system was a swirling cloud of gas and dust that formed the first asteroids ...

The universe has quasi-moons, mini-moon, and moonlets, but no official definition of what counts as a moon.

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

Scientists warn that blocking sunlight using aerosols to cool Earth may cause more harm than good, with unpredictable risks ...

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

Earth” planet could allow us to finally see alien life, researchers say. The world – named GJ 251 c and lying less than 20 ...

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

Scientists have uncovered one of the few potentially habitable worlds close enough and positioned just right for the next ...

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, ...

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