Antarctica

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As climate risks accelerate and decisions increasingly depend on trusted data, the global system that observes Earth's climate has never mattered more. From satellites orbiting thousands of kilometres above the planet to research stations in Antarctica, it tracks Essential Climate Variables - including temperature, sea level, greenhouse gases and ice…

A mysterious dip in Earth’s gravity beneath Antarctica traces back to slow-moving rocks deep underground. Gravity feels dependable and unchanging, something we rarely question. Yet the planet behaves in strange ways defies intuition. In reality, gravity is not uniform across Earth’s surface. Its strength shifts from place to place...Read More

February 18, 2026 2 min read Add Us On Google Add SciAm Scientists have captured footage of a sleeper shark farther south than ever before, suggesting Antarctica’s Southern Ocean is not shark-free By Jeanna Bryner edited by Claire Cameron Researchers at the Minderoo-UWA Deep-Sea Research Centre watch footage of what…

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Gravity does not pull equally everywhere on Earth. Variations in the planet’s internal structure create measurable differences in how strongly it tugs at the surface. The weakest region lies beneath Antarctica. In a study published in Scientific Reports, researchers show that this continent-scale gravitational low strengthened over tens of millions…

The full Nautilus archive • eBooks & Special Editions • Ad-free reading The full Nautilus archive eBooks & Special Editions Ad-free reading From space, planet Earth looks like a perfect sphere. But it’s not. Obviously, the crust of the Earth is irregular, covered in jagged mountains and deep oceanic trenches,…

Antarctica's gravitational conditions result in lower surrounding sea levels that have included its ice sheet growth. Credit: Steve Allen Travel and Wildlife Photography / Deposit Photos Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. A “gravity hole” beneath Antarctica sounds like the…

February 17, 2026 2 min read Add Us On Google Add SciAm A stunning “ring of fire” eclipse was totally visible to a lucky few in the Southern Hemisphere. Here’s how to see the next one By Jackie Flynn Mogensen edited by Claire Cameron A “ring of fire” effect during…

Phases of an annular eclipse captured over Argentina in 2017. (Image credit: ALEJANDRO PAGNI/AFP via Getty Images) A magnificent annular solar eclipse just swept over Antarctica, putting on an impressive display of orbital mechanics as the moon passed in front of the sun at the perfect distance from Earth to…