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Environment 19 hours ago

Miami's largest tree canopies deliver most cooling, monitoring data suggests

People rarely give much thought to the trees around them—until there aren't any. Not when they're driving past them. Not when they're scrolling on a park bench. But on a sweltering Miami afternoon, when the sidewalk feels ...

Environment Aug 17, 2026

Hawaii recovery efforts begin as Lala is downgraded, moves west

Clean-up efforts were underway Sunday as Hurricane Lala, which was downgraded to a tropical storm, rolled past Hawaii's Big Island and dumped heavy rain across the U.S. Pacific state.

Astronomy Aug 16, 2026

Radio telescopes help scientists map molecules in space and uncover where and how stars form

You may have heard the phrase "we are made of star-stuff." This statement by the astronomer Carl Sagan refers to the fact that elements heavier than hydrogen and helium were forged in the centers of the first stars. But how ...

Environment Aug 16, 2026

Hurricane Lala pulls away from Hawaii's Big Island

Hurricane Lala was pulling away from Hawaii's Big Island early Sunday as heavy rain and strong winds struck the U.S. Pacific state and officials warned of potentially dangerous flooding.

Environment Aug 16, 2026

Belgium races to tame huge wildfire creeping toward Germany

Water-bombing aircraft and farmers' tractors joined forces Sunday to help firefighters tame Belgium's largest modern-day wildfire, which has scorched vast swaths of a hard-to-reach nature reserve near the German border.

Environment Aug 16, 2026

Firefighters battle second day of blaze on Greek island

Firefighters battled for a second day Sunday to contain a forest fire on the Greek Aegean island of Skyros, as the local mayor voiced hope it could soon be brought under control.

Astronomy Aug 15, 2026

Early-universe plasma may have stopped dark photons from heating cosmos

A new paper published in Physical Review Letters reveals that a leading dark matter candidate—the hypothetical "dark photon"—would not have heated the early universe as previously thought. The finding opens a vast region ...

Planetary Sciences Aug 15, 2026

Neptune's tiny moons tell the story of Triton's destructive capture

Neptune's moon and ring system stand out among the giant planets because of the strange imbalance between its one very large moon and its many tiny moons. Its largest moon, Triton, makes up more than 99% of the mass of all ...

Environment Aug 15, 2026

Hurricane poised to hit Hawaii as El Niño stirs Pacific

A strengthening tropical storm named Lala is set to hit Hawaii's Big Island with hurricane-force gales on Saturday, bringing dangerous winds, rainfall and heavy surf.

Environment Aug 15, 2026

Extreme weather is making work difficult for many people. This is what needs to change

The UK has experienced several heat waves this summer—heat stress among workers is one of the biggest causes of weather-related sick leave. Very high temperatures can cause symptoms like heat rash and cramps, or even exhaustion ...

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