'Forever chemicals' latch onto sea spray to become airborne

When ocean waves break, microscopic particles break free into the air. For beachgoers, aerosolized sea salts contribute to the tousled "beach hair" look. But other compounds found in seawater, including perfluoroalkyl substances ...

Arctic ocean expedition advances climate modeling

As the climate warms and Arctic sea ice retreats, more research vessels and commercial ships are sailing into the Arctic Ocean, but the accuracy and sensitivity of regional weather and marine forecasts for these hazardous ...

The four most promising worlds for alien life in the solar system

The Earth's biosphere contains all the known ingredients necessary for life as we know it. Broadly speaking these are: liquid water, at least one source of energy, and an inventory of biologically useful elements and molecules.

Image: Astronaut captures the fires ravaging Australia

Another pair of eyes provides a sobering perspective on the fires ravaging Australia. ESA astronaut Luca Parmitano took images such as this one on 12 January from his vantage point of the International Space Station.

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