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Plants & Animals Oct 15, 2026

Food, fear and physics help explain group behavior from plankton to whales

The open ocean is a dynamic environment, where food is patchy, predators are plentiful, and oceanographic conditions change constantly. Life in the pelagic environment—the offshore waters that extend from the sunlit surface ...

Planetary Sciences Oct 15, 2026

Lunar fault maps reveal how much the moon is shrinking

A new study of young tectonic landforms on the moon offers the most detailed estimate yet of how much the moon has contracted as its interior gradually cooled over time.

Ecology Oct 15, 2026

Baby lobster decline foreshadows major midcoast population losses, study shows

A steep drop in baby lobsters provided an early warning of the sharp decline in adult lobsters along Maine's midcoast, a new University of Maine study shows.

Materials Science Oct 15, 2026

AI turns scrap impurities into useful ingredients for stronger recycled iron

About 2 billion metric tons of metal are produced worldwide every year to meet the demands of industry, infrastructure and the energy sector. Much of this production still relies on primary raw materials, contributing to ...

Earth Sciences Oct 15, 2026

North Sea heat wave fueled underwater plankton bloom largely missed by satellites

When a marine heat wave strikes, scientists often turn to satellites to see how the ocean is responding. From space, changes in ocean color can reveal shifts in phytoplankton, microscopic organisms that form the foundation ...

Space Exploration Oct 15, 2026

How did Mars get its moons? Japan's MMX space mission aims to solve the puzzle

The Earth got its moon when a small planet collided with our planet more than 4 billion years ago. This impact hurled molten rock into space, which eventually coalesced to form the satellite we can see every night from across ...

Social Sciences Oct 15, 2026

AI helps detect media bias, informing voters and news consumers

In 2024, a collaborative Penn venture introduced a more objective way for people to examine how different outlets cover the same events and ultimately decide how they perceive and use information shared in the media. The ...

Social Sciences Oct 15, 2026

Mass shooting survivors' memories are full of sensory detail, both positive and negative

It was perhaps fitting, in a twisted, only-in-America way.

Veterinary medicine Oct 15, 2026

Why are pets scared of fireworks?

Fireworks are an integral part of many celebrations and cultural events. With their pretty colors, spectacular sights and big bangs, fireworks are a popular attraction for many people.

Archaeology Oct 15, 2026

Fatal Neanderthal wound may be earliest evidence of a wooden spear attack on a human ancestor

A round hole in the shoulder blade (scapula) of a Neanderthal whose partial remains were unearthed in a cave in Iraqi Kurdistan may be the earliest known example of lethal interpersonal violence with a wooden spear in the ...

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