Each sensor is unique in size and ranges between 10 to 50 milliliters in diameter and weighs about 30 milligrams.

Tiny, Solar-Powered Sensors Fly Through the Air Like Dandelion Seeds

The battery-free devices could be used to gather environmental data over long distances and provide insights into an ecosystem's health

The moons appear as two blurry dots located close together in the upper right area of the image. Io, seen as a darker speck on the left of the two dots, is the most volcanically active world in the solar system. Europa is seen on the right and features a global ocean beneath its icy surface. 

Citizen Scientist Captures Glimpse of Jupiter's Moons, Io and Europa, Using Juno Space Probe Data

The natural satellites are seen in the distant background of the gas giant's portrait

Because of shore development and its heavily populated coastal cities, the Persian Gulf was one of the areas with the most light pollution.

First Global Atlas Reveals How Deep Artificial Light at Night Goes Underwater

Offshore development and coastal city lights negatively impact many marine species

Emerald ash borers are already predicted to kill all ash trees in more than 6,000 urban areas.

1.4 Million Urban Trees May Fall to Invasive Insects by 2050

It could cost 30 million a year to replace infected trees in areas hardest hit by the non-native species

Entomologists obtained and synthesized the pheromone by swabbing various virgin giant hornet queens captured in Yunnan, China.

Scientists Are Using Sex Pheromones to Lure in Murder Hornets

The method may be the best way to eliminate the insects from non-native habitats

For decades, researchers and divers have observed curious and intelligent octopi utilize oceanic pollution as tools or taking up residence in glass bottles.

Octopuses Are Reusing Human Trash as Shelter

In crowdsourced images, the cephalopods were observed making refuse their home, even using the junk as a place to lay eggs

The rose-veiled fairy wrasse is the first Maldivian fish to be described by a local scientist. Pictured: a male rose-veiled fairy wrasse

New Rainbow-Colored, Deep-Sea Fish Officially Described by Scientists in the Maldives

The new-to-science species was named after roses, the Maldivian national flower

This image of a leopard seal about to chomp down on a Gentoo penguin won gold in the "Behavior—Mammals" category. It is also the grand prize winner of the World Nature Photography Awards.
 

A Penguin Faces Death by Leopard Seal in Jaw-Dropping Grand Prize Image

Winners in this year's World Nature Photography Awards were selected for 14 different categories varying by species and habitat

A flashy jewel bug butt. 

Science Twitter's 'InverteButt Week' Puts Backsides on Display

The behinds of spineless organisms are diverse among species and serve a multitude of purposes beyond expelling waste

Even at thresholds of sodium chloride that were considered safe at 230 milligrams of chloride per liter of water in the U.S. to 120 milligrams of chloride per liter in Canada, researchers found a significant loss of zooplankton populations an increase in algae.
 

Road Salt Pollution Levels Deemed Safe in U.S. and Canada May Not Protect Freshwater Ecosystems Enough

At current thresholds, salinization can kill off zooplankton, a crucial microorganism at the center of many food webs

Researchers suspect that breeding is a possibility because of how close the narwhal is to the pod of belugas.

Adopted Lone Narwhal Traveling Among Belugas Could Produce Narluga Calves

The mammal, now reaching sexual maturity, could mate soon, giving researchers more insight into the previously elusive hybrid animals

In daylight, the experimental silkworms appeared pink, but under ultraviolet light, they had a bright red glow.

Silkworms Fed Quantum Dots Shine Bright Under Ultraviolet Light, Produce Fluorescent Red Silk

Caterpillars that ate carbon dots derived from mulberry leaves glowed a scarlet color that lasted until the second generation of worms

Russia controls aspects of the ISS's propulsion control systems that keep it in place and from falling towards Earth. The space station started out as a partnership between the United States and Russia.

How Sanctions on Russia Affect International Space Programs

Roscosmos is severing ties with global partners in response to restrictions

The artificial skin samples will sit in a custom device with a nutrient-filled liquid medium while they orbit in space aboard the ISS.

Scientists Will Study the Effects of Microgravity on Skin at the International Space Station

The experiment, using engineered skin samples, could lead to better skin care products

The massive aircraft was initially built as part of the Soviet aeronautical program in the 1960s and 70s while the Soviet Union was undergoing a space race with the United States.
 

Ukrainian Officials Say the World's Largest Aircraft, Antonov AN-225, Has Been Destroyed

The plane was undergoing maintenance in an airfield near Kyiv

Mountain goats carry bacterial diseases that are lethal to bighorn sheep and also compete for food.

To Protect Bighorn Sheep, Authorities Kill 58 Mountain Goats in Grand Teton National Park

The cull is part of an effort to safeguard the park's vulnerable sheep herd from the non-native species

For the study, researchers surveyed 426 adults who had at least two dogs and had experienced the loss of one of their dogs.

Dogs May Mourn the Loss of Other Household Pets

Grieving canines ate less, slept more, and sought more attention from their human companions after the death of a furry friend, according to a survey

Head-on collisions between galaxies like the one seen in Arp 143 (pictured) may be how rings of new stars form.
 

Hubble Space Telescope Captures Galaxies Caught in Triangular Tug-of-War

A collision between two galaxies may have sparked the odd shape

Magpies are highly social and live in groups of two or 12 individuals that defend, occupy, and breed cooperatively.

Sneaky Magpies Outwit Scientists by Removing Tracking Devices

The trackers were supposed to track movement behaviors but instead uncovered an unusual problem-solving behavior

Scans of the astronaut's neural networks were taken before they blasted off into space, as soon as they landed safely back home, and some cosmonauts had an additional brain scan seven months after their return to Earth. (Pictured: Astronaut Bruce McCandless II during an untethered spacewalk in 1984)
 

Long-Term Space Travel May 'Rewire' Astronauts' Brains

The changes may help the organ adapt to microgravity, but they seem to persist for several months after returning to Earth

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