Learn how dopamine helps encode and extinguish fear in the brains of mice.

Learn how our brains store memories, and why sleep is needed to retain old memories and prepare for new ones.

Learn more about Bolivia's Uturuncu, a zombie volcano that seems to be waking up.

Peruvian remains of a ruler were unearthed at a former dump. The clothing and objects buried with the woman indicate high social status.

For the first time, astronomers located a molecular cloud by detecting hydrogen, its key component, rather than other molecules like carbon monoxide that not all such clouds contain.

Analysis of single bone may tell us if the platypus is an evolutionary anomaly — starting on land, then returning to water.

The discovery of the new species of crocodile sheds fresh light on the need for conservation efforts.

A large-scale tree planting project helped connect the dots between green neighborhoods and better birth outcomes.

Learn more about the recent discovery of this spade-toothed whale and what an international research team uncovered about it.

Learn more about how too much screen time impacts a child's neurodevelopment and how cutting back can be beneficial for learning.

Learn about the escalating threat of volcanoes in Iceland and how a new warning system is helping to inform the public when eruptions will occur.

Though it may be a small percent, learn how some shark bites occur as a self-defense mechanism against human aggression.

Although only tested in rats thus far, the polymer-based treatment could repair tissue that are impacted in a variety of diseases.

Learn more about the bone collector, a cannibalistic, carnivorous caterpillar seen for the first time in over six million years.

Discover how inhalation of Mars' toxic dust can cause lung diseases like those seen in miners.

Learn what happens in the body and brain when your mind blanks out — a distinct, diverse experience that differs from mind wandering.

Learn why carbon-containing meteorites appear to be less "shocked" than expected, missing the effects often seen in a meteorite impact.

Learn more about female bonobo coalitions and how they team up to keep male bonobos in line.

Learn how physicists were able to send quantum signals through fiber optic telecom system.

Bad gut bugs in kids may play a role in the rise of colorectal cancer at younger ages.

Learn how a new instrument will increase the telescope’s ability to spot sunspots in unprecedented detail.

The hell ant shows how insect species evolved, adapted, and spread throughout the ancient world.

Learn how the deeply intelligent killer whale learns to communicate by listening.

Learn how a computer simulation demonstrates that tectonic activity may be less slow and steady than previously thought.

Learn why lung cancer led the drop in cancer mortality rates, but cancer forms related to obesity continue to rise.

Learn about the significance of tardigrades being tattooed, a process that could lay the foundation for microscopic, biocompatible devices.

Learn more about how shifting biodiversity has resulted in a surprising evolutionary change for rattlesnake venom.

Unlike massive mammals, mega marsupials 300,000 years ago limited their dining options by keeping close to home.

Learn how forensic evidence confirms that gladiator and lion combat did occur, and why experts think these fights didn't just occur in Rome.

Chimps' enjoyment of and willingness to share alcohol-infused fruit hints at possible ancient roots of social drinking.

Learn how the bonds between humans and dogs resemble the bonds between humans and humans, with some of the former being stronger than the latter.

Learn about new evidence that suggests life on Earth may have started with the help of molecules that were delivered by comets and asteroids.

Learn more about Olo, a new color that researchers at UC-Berkeley may have just discovered.

However, more work on just how these compounds rewire the brain will be necessary before they become viable treatments for humans.

Learn why the planet, BD+05 4868 Ab, is only the fourth such discovered and will disappear in one to two million years.

Healers have treated their patients with silk throughout history. Now they're harnessing its strength, biocompatibility, and biodegradability in innovative new ways.

With aircraft increasingly targeted by GPS jammers, the search for new ways to navigate is hotting up.

Learn more about the benefits and risks of L-tyrosine supplements, the “over-the-counter Adderall.”

The rare sighting of a living juvenile colossal squid has scientists stunned and thrilled.

Learn about the role of olfaction in friendship, which indicates that finding a friend is, at least in some sense, related to smell.