The moon sustained twice as many impacts as can be seen on its surface, scientists find.
New findings may help explain how Earth’s crust forms, the location of ore deposits, and why some volcanoes are more explosive than others.
MIT Haystack Observatory identifies long-duration atmospheric waves launched by the recent Tonga eruption.
Scientists propose a new mechanism by which oxygen may have first built up in the atmosphere
Fossils indicate a communal nesting ground and adults who foraged and took care of the young as a herd, scientists say.
The findings include signs of flash flooding that carried huge boulders downstream into the lakebed.
Over a career spanning five decades, Frey pioneered the use of new techniques to study the Earth’s mantle.
A new study shows oxygenic photosynthesis likely evolved between 3.4 and 2.9 billion years ago.