When bushfires create their own weather system

The recent bushfires in Australia have been terrifying. As we talk of firenadoes and megablazes, we're understanding just how dangerous and unpredictable fire behavior can be.

New ways to chart our maritime past

Archaeology has a long-standing tradition in protecting areas on land. But there is little attention to cultural monuments at the sea-shore and under water. To help locating these artifacts, meteorologist Marianne Nitter ...

Image: Barchan and linear dunes on Mars

On Jan. 16, 2020, the Mars Reconnaissance Orbiter (MRO) captured this image of two types of sand dunes on Mars: barchan and linear dunes.

The dark dunes of Mars: Moreux crater

Known for its wide swathes of rippling, textured, gently sloping dunes, the Terra Sabaea region on Mars is home to many fascinating geological features—including the prominent Moreux crater, the star of a new image from ...

How insects track odors by navigating microscale winds

How do flying insects like important pollinators locate odor sources in the great outdoors, despite encountering highly variable wind conditions? They use odor plumes—which travel like smoke and form when the wind blows ...

Dung beetles use wind compass when the sun is high

Researchers have shown for the first time that an animal uses different directional sensors to achieve the highest possible navigational precision in different conditions. When the sun is high, dung beetles navigate using ...

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