There are a lot of myths about crystals − for example, that they are magical rocks with healing powers. An earth scientist explains some of their amazing true science.

Some rocks will burn, and others will melt, depending on how they were formed and what minerals they contain.

A biologist explains how researchers nail down the age of ancient fossils thanks to a physical process called radioactive decay.

Perseverance and its helicopter sidekick, Ingenuity, have been on Mars for nearly nine months. The duo have taken rock samples, performed first flights and taken images of the delta in Jezero Crater.

Researchers used decades-old radar data and found that some low-lying areas of Venus' crust are moving and jostling. This evidence is some of the strongest yet of tectonic activity on Venus.

Earth's magnetic field locks information into lava as it cools into rock. Millions of years later, scientists can decipher this magnetic data to build geologic timelines and maps.

To avoid global warming on a catastrophic scale, nations need to reduce emissions and find ways to pull carbon from the air. One promising solution: spreading rock dust on farm fields.