Water once existed in abundance of at the surface of Mars. How much of that water has been stored in the planet's crust is still unclear, according to a new analysis.

Life may not have begun with a dramatic lightning strike into the ocean but from many smaller "microlightning" exchanges ...

Zare’s team demonstrated the existence of micro-lightning, very small electricity discharges that occur between tiny droplets ...

An analysis of changes to global ecosystems has revealed that almost nowhere is untouched by the influence of humanity, with ...

The discovery that inert helium can form bonds with iron may reshape our understanding of Earth’s history. Researchers from ...

Deep within Earth’s mantle lie two enormous, continent-sized structures known as LLVPs. Scientists once believed these ...

Natural events such as earthquakes and extreme weather patterns have fascinated and alarmed scientists for centuries. While ...

NASA says Earth is in the clear from asteroid 2024 YR4, which previously had a small chance of hitting our planet in 2032. Freelance writer Amanda C. Kooser covers gadgets and tech news with a ...

An asteroid capable of flattening a mid-sized city could potentially collide with Earth eight years from now, as its orbit around the sun briefly intersects the path of our planet. Named 2024 YR4 ...

The odds of an asteroid hitting Earth in 2032 now stand at 1-in-32, or a 3.1 percent chance of collision, according to the latest data from NASA. On February 7, NASA upped the likelihood of the ...

Two scientists from Toho University and NASA’s Nexus for Exoplanet System Science ran computer simulations and found that Earth’s oxygen-rich atmosphere won’t last forever—it will start disappearing ...