NASA says a newly spotted 1,300-foot (400-meter) wide asteroid is not a threat to hit Earth, despite recent media reports.
A meteor moving at 45,000 mph lit up the sky over western Pennsylvania.
A dinosaur tooth found in Malaysia is at least 140 million years old and belongs to a new species within the "bird-hipped" Ornithischian order, researchers said Thursday.
NASA scientists were finally able to explain the origin of the mysterious rock shaped like a jelly doughnut that appeared near the rover Opportunity in early January.
Since life originated on Earth between 3.8 and 3.9 Ga ago, microorganisms have significantly shaped and influenced the chemistry of Earth's surface and subsurface environments. Reconstructing the evolution of early microbial ...
A new study examines how Earth's oldest iron formations could have been formed before oxygenic photosynthesis played a role in oxidizing iron.
A new study could provide insights about the abundance of water in fragments from a famous asteroid.
An international team of geologists has a new explanation for how the Midwest's biggest geological feature—an ancient and giant 2,000-mile-long underground crack that starts in Lake Superior and runs south to Oklahoma and ...
The amount of water present in the moon may have been overestimated by scientists studying the mineral apatite, says a team of researchers led by Jeremy Boyce of the UCLA Department of Earth, Planetary and Space Sciences.