The ball hangs in the void, lonely and gleaming in the light from its star. From pole to equator, the sphere is covered in a ...

19, 2025. (Tetiana Dzhafarova, Pool Photo via AP) WASHINGTON (AP) — The White House and Ukraine have made significant progress toward reaching an agreement that would provide the U.S. with access to ...

U.S. Special Envoy for Ukraine and Russia Keith Kellogg, right, and Ukraine's President Volodymyr Zelenskyy shake hands during their meeting in Kyiv, Ukraine, Feb. 20, 2025. (AP Photo/Evgeniy ...

Ukraine’s allies in Washington say there’s a way for President Volodymyr Zelenskyy to rescue his relationship with President Donald Trump, but it hinges on accepting a U.S.-proposed rare ...

Both stardust and beryllium-10 eventually find their way into the earth’s oceans where they become incorporated into the growing ferromanganese crust. One of the largest ferromanganese crusts ...

For a long stretch of Earth’s history, our planet might have looked green from a distance, instead of the pale blue dot we know today. Earth’s green period, which lasted from around 3 billion ...

For a long time, scientists thought the Earth's inner core was a solid ball of metal, sort of like a planet within a planet that sits some 3,000 miles (4,828 kilometers) below the surface.

Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds. Known as large low-seismic-velocity provinces (LLSVPs), these blobs are both hotter and ...

Nearly as wide as a football field, YR4 may punch a city-sized hole in Earth’s crust. Or not. Two weeks ago, there was a 1.3 percent chance that YR4 would hit us. Those odds have since increased ...

Iridium, one of the rarest metals in the Earth’s crust, has an annual production of just three tonnes. It is extremely dense and highly corrosion-resistant, making it a crucial material in ...