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Citizen science program helps find exotic ticks

Climate change is affecting not only our weather but also the distribution of parasites and the diseases they can carry. One example is the growing presence of Hyalomma ticks in parts of Europe where they were previously uncommon. These ticks are of particular interest because they can transmit Crimean-Congo hemorrhagic fever virus (CCHFV), a pathogen that can cause serious, sometimes life-threatening illness in humans. Hyalomma ticks are typically found in warm and dry regions of Africa, Asia and southern Europe. However, they have increasingly been reported farther north, including in Central Europe.

Phys.org · 11h ago
Tiny fossils show brittle stars gathered around a dead whale 9.5 million years ago

Tiny skeletal plates recovered beside fossil whale bones in southern Denmark offer a rare glimpse of life around a whale carcass approximately 9.5 million years ago. Researchers have identified a new species of brittle star, Ophiura huebnerjenseni, from the Gram Clay Pit and suggest it represents the first fossil record of brittle stars associated with a whale fall.

Phys.org · Nov 4
Red and green auroras may share electron-driven origins

With their mysterious glow and swirling veils of color, auroras enchant even experienced researchers. When a particularly intense solar storm reached Earth on the night of May 10, 2024, and relevant websites predicted auroras even for southern Lower Saxony, several researchers from the Technical University of Braunschweig, the Fraunhofer Institute for Surface Engineering and Thin Films IST, the University of Göttingen, and the Max Planck Institute for Solar System Research (MPS) took to the outdoors.

Phys.org · Nov 3
Research ties heat to mealybug feeding and pasture damage

High temperatures change how mealybugs feed, and that could help explain why some pasture mealybug infestations do far more damage than others, according to early findings from Texas A&M AgriLife Research scientists.

Phys.org · Nov 3
Martian polar crater ice shifts with seasonal frost

Mars shares many landforms and weather patterns with Earth, including changing seasons, volcanoes, canyons, dust storms, dust devils and water ice. Another feature that Earth and Mars share is polar ice caps. These are among each planet's striking features, but the major difference is that Earth's polar ice caps are both composed of water, while Mars' north polar ice cap is composed only of water and its southern polar ice cap is carbon dioxide.

Phys.org · Nov 2
Climate-vulnerable Africa faces significant gaps in early warning systems, leaving millions at risk from extreme weather

Climate-related events affected at least 13 million people across Africa in 2025. Over the last decade alone, extreme weather has affected populations in Africa disproportionately. Tropical Cyclone Freddy (February 2023) caused widespread flooding and led to over 1,500 deaths, and in 2015–16 a drought in southern Africa led to widespread crop failure and food insecurity for 40 million people.

Phys.org · Nov 2
Earth's ice ages may have been driven by a hidden ocean chain reaction

Scientists have uncovered a surprising connection between Earth's opposite poles that may help explain how the planet plunged into past ice ages. New research suggests that as massive ice sheets expanded across the Northern Hemisphere, they cooled Atlantic Ocean waters that eventually traveled south toward Antarctica. This cooling may have disrupted Southern Ocean circulation, allowing the ocean to absorb and store more carbon dioxide from the atmosphere, further cooling the planet.

Science Daily · Oct 28