Lightning strikes - perhaps a quintillion of them, occurring over a billion years - might have provided sparks of life for the early Earth by unlocking phosphorus, says new research.

Ladybugs, lacewings, spiders, and bees can help your garden grow. How to help these beneficial insects.

After 800 years of dormancy, Fagradalsfjall volcano on Iceland’s Reykjanes peninsula began a magnificent eruption on March 19. See video and images.

A new study documents the distribution of supercell-tornado wind intensities and sizes, revealing that most are much stronger than damage surveys indicate, with more than 20% of tornadoes potentially capable of causing catastrophic EF-4/EF-5 damage.

In early 2020, satellite data showed a decline in air pollution coinciding with Covid lockdowns. One year later, as lockdown restrictions loosen and regular activity resumes, air pollution is bouncing back to pre-Covid levels.

Fossilized plants found in the rocks and soil beneath Greenland ice suggests the ice melted at some point in the last million years and may do so again.

How plants tolerate cold spells, and the effects of climate change on how plants manage the transition from winter to spring.

A strong tropical depression picking up moisture from the warm ocean caused widespread flooding in the Hawaiian islands.

Earlier studies have suggested the possibility that Earth was once covered with water. New evidence - focused on Earth's mantle - suggests our planet was a true water world, covered by a global ocean, billions of years ago.

A new study suggests that climate change is the key driver of changes in water flow in rivers worldwide.