Did Earth Have a Twin That Formed the Moon? :globe_showing_Europe-Africa: Billions of years ago, our planet may have collided ...

New research shows that Theia, the planet that collided with Earth and formed the Moon, was a rocky world born closer to the ...

"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.

It’s one of the most enduring ideas about the formation of our solar system: Earth collided with a Mars-sized object, Theia, ...

Rockström is a research professor in earth system science at University Potsdam, the director of the Potsdam Institute for Climate Impact Research, and co-founder of the Planetary Guardians. The ...

When comet 3I/ATLAS was first spotted streaking across the sky in July 2025, it looked like another fleeting astronomical ...

An international team has made a significant breakthrough in understanding the tectonic evolution of terrestrial planets.

Two enormous structures that sit at the border between the Earth's mantle and its core have puzzled scientists for decades.

The article highlights the paradox of widespread belief in the abundance of life in the universe juxtaposed with humanity's singular known example on a planet facing rapid climate change. It ...

According to a new theoretical study, when our solar system was born 4.6 billion years ago only eight percent of the potentially habitable planets that will ever form in the universe existed. And, the ...

Scientists have used data from NASA's retired planet-hunting space telescope 'Kepler' to discover that small and large worlds have very different upbringings. The team found that larger planets on non ...