In northwest India, a field full of marble debris has an otherworldly allure.

New satellite photos reveal that one of the world's largest and longest-lived icebergs, A23a, has developed vibrant blue striations on its surface. The striking snaps hint that the "megaberg" will soon disappear forever, ending a surprisingly eventful four-decade-long saga.

A federal judge ruled Monday that work on an offshore wind farm for Rhode Island and Connecticut can resume even as President Trump seeks to shut it down.

At extreme pressures and temperatures, water becomes superionic — a solid that behaves partly like a liquid and conducts electricity. This unusual form is believed to shape the magnetic fields of Uranus and Neptune and may be the most common type of water in the solar system. New high-precision experiments show its atomic structure is far messier than expected, combining multiple crystal patterns instead of one clean arrangement. The finding reshapes models of icy planets both near and far.

Once at risk of being wiped out, humpback whales charted a remarkable comeback thanks to their songs. In 1979, National Geographic issued a record-breaking album of those tunes alongside a story about Roger Payne's groundbreaking research. In honor of Project CETI's current work decoding the speech of sperm whales, we're putting the original feature attached to the songs back online.

Earth’s oceans reached their highest heat levels on record in 2025, absorbing vast amounts of excess energy from the atmosphere. This steady buildup has accelerated since the 1990s and is now driving stronger storms, heavier rainfall, and rising sea levels. While surface temperatures fluctuate year to year, the ocean’s long-term warming trend shows no sign of slowing.

Veronica Macias reports on the Bay Area's Dungeness crab season.

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