The iron-rich core at the centre of our planet has been a crucial part of Earth’s evolution. The core not only powers the ...

The fall equinox marks the first day of autumn. When does fall officially begin in 2025? This visual guide will help get you ...

The autumnal equinox on September 22, 2025, officially signifies the beginning of fall in the Northern Hemisphere. During ...

The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere and the spring in the Southern Hemisphere. On the equator, the sun will be directly overhead at ...

The ocean covers more than 70 percent of the Earth's surface. Considering how vast it is, scientists know relatively little ...

This striking satellite photo shows 10 swirling "dark voids" that appeared above an uninhabited volcanic island in the Indian Ocean. The black spots are the result of atmospheric cloud vortices, but ...

New Zealand's North Island is home to Frying Pan Lake, the world's largest natural hot spring, nestled in the Waimangu Volcanic Rift Valley. Formed after the 1886 Mount Tarawera eruption, this ...

Giant donut-shaped swaths of magnetically trapped, highly energetic charged particles surround Earth. James Van Allen, a physicist at the University of Iowa, discovered these radiation belts in 1958 ...

The last solar eclipse of 2025 takes place today, September 21. Students can learn 10 key facts about the eclipse, its timing ...