NASA has confirmed a small asteroid named 2025 PN7 is a quasi-moon of Earth. The space rock orbits the sun at a similar pace to Earth, making it appear to follow our planet. This quasi-moon is ...

Perhaps one of the biggest indicators of success from the world's efforts to take care of our climate, the notorious ozone hole over the Antarctic is shrinking. The World Meteorological Organization ...

The hunt for worlds beyond our solar system has shifted from counting planets to confronting extremes that strain basic physics. In 2025, astronomers did not just add new dots to the map, they ...

Billions of years ago, Earth was an uninhabitable rock covered in magma. Scientists are still working to decipher the tale of how it transformed into a blue and green orb teeming with life. However, ...

The recently spotted asteroid 2025 PN7 appears to be the source of the rumor mill about Earth's supposed second moon. Earth has several quasi-moons that get their name due to the fact that they ...

Earth’s climate balance isn’t just governed by the slow weathering of silicate rocks, which capture carbon and stabilize temperature over eons. New research reveals that biological and oceanic ...

• November 6 was the fifth annual Call to Earth Day, part of a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. • Rolex’s ...

When Earth was a molten inferno, water may have been locked safely underground rather than lost to space. Researchers discovered that bridgmanite deep in the mantle can store far more water at high ...