Melbourne, Australia — An ungainly barrel of a shark cruising languidly over a barren seabed far too deep for the sun's rays to illuminate was an unexpected sight. Many experts had thought sharks didn ...

Gravity may seem constant, but it actually varies across the planet—and one of the strangest places is Antarctica, where gravity is slightly weaker than expected. Scientists have traced this “gravity ...

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Seen from space, Antarctica looks so much simpler than the other continents—a great sheet of ice set in contrast to the dark waters of the encircling Southern Ocean. Get closer, though, and you’ll ...

Scientists have uncovered a hidden Antarctic threat that could accelerate global sea level rise far faster than expected.

Antarctica has long been seen as Earth’s frozen shield, vast, remote, and seemingly unbreakable. Yet scientists are now warning that some of its most fragile regions may have crossed a dangerous ...