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Juveniles from species of massive carnivorous dinosaurs, such as Tyrannosaurus rex, may have out-competed species that would have otherwise succeeded as medium-sized adults, according to new research.

New Research

Why Medium-Sized Dinosaurs Are Often Missing From the Fossil Record

Study suggests huge carnivores like T. rex may have occupied the ecological roles of medium-sized predators as juveniles

Sauropodomorphs are a group of massive, long-necked dinosaurs that are the largest dinosaurs and land animals that ever lived, and later evolved into Brachiosaurus and Apatosaurus.

Climate Change May Have Aided Dinosaurs’ Journey From South America to Greenland

A shift in CO2 levels millions of years ago made conditions on Earth milder, allowing herbivores, like sauropodomorphs, to migrate to Greenland

Researchers simulated how colliding dust particles imitating a dust storm on the red planet may emit tiny violet flickers of electricity known as triboelectrification, or static charges.

Dust Storms on Mars May Sparkle and Glow at Night

Martian dust clouds may create miniature statically-charged sparks, which could help researchers further understand the planet’s atmosphere

Wisdom, a 70-year-old Laysan albatross, and one of her chicks from years past.

Oldest Known Wild Bird Hatches Chick at Age 70

Wisdom, a Laysan albatross, was first banded by scientists on a remote North Pacific atoll in 1956

Now that several Covid-19 vaccines have been shown safe and effective in adults, the producers can begin clinical trials in adolescents.

Covid-19

Why the Covid-19 Vaccine Rollout Will Be Different for Kids

Pfizer expects to release the first data about vaccine efficacy and safety in adolescents by this summer

The Oyapock river, between Brazil and French Guiana, is one of the few waterways that a new paper identifies as being relatively undamaged by humans.

New Research

One-Third of Freshwater Fish Species Are at Risk of Extinction

Humans have severely damaged more than half of the world’s rivers

To aid the turtles in flushing out their digestive systems clogged with crude oil, workers at the sea turtle rescue are feeding them mayonnaise, which will break down the tar and make it easier to expel out.

Turtles Caught in Disastrous Oil Spill Treated With Mayonnaise

The tar-covered animals were given the condiment to flush out their digestive systems

Salt marsh fairy circles may bounce back from environmental stresses because of their ability to merge and form a lush ecosystem after oxygen and nutrient depletion.

How Forming ‘Fairy Circles’ May Help Salt Marshes Adapt to Climate Change

The transient rings’ secret to survival may be their ability to shape-shift based on nutrient availability

Slime mold in a petri dish. New research finds that slime molds can store memories by changing the diameter of the branching tubes they use to explore their environment, allowing them to keep track of food sources.

New Research

How the Brainless Slime Mold Stores Memories

New research finds the organism can remember the location of food by altering the diameter of the creeping tendrils it uses to explore its surroundings

The Navigation Cameras on Perseverance capture an image of the rover's deck.

Exploring Mars

How to Keep Up With NASA’s Perseverance Rover as It Explores Mars

Follow along as the new rover sends incredible data and images back to Earth

The dogs moved off a mat that had a toy attached to it, showing that dogs may understand their body size and where they are in the environment when solving a task.

Dogs May Be More Self-Aware Than Experts Thought

In a new study, canines recognized how their bodies took up space and moved to complete a task

New research finds that springhares, hopping rodents native to southern Africa, glow under UV light.

New Research

This Bouncing African Mammal Glows Under UV Light

Springhares are the latest in a flurry of furry creatures that scientists have discovered are biofluorescent

Perseverance landed on Mars using a sky crane, which hovers above the planet's surface and drops the rover on ropes.

Perseverance Rover Shares Its First Video and Audio of Mars

The Curiosity rover landed the same way in 2012 but the engineers who designed the system hadn’t seen it in action until now

The study begins with fossilized kauri trees (pictured) that died over 41,000 years ago.

New Research

Did an Ancient Magnetic Field Reversal Cause Chaos for Life on Earth 42,000 Years Ago?

The study links new, detailed data about Earth’s atmosphere to a series of unfortunate events that occurred around the same time

A woman at the Gador nature reserve in Israel holds a dead baby sea turtle covered in tar from the oil spill on Feb. 20, 2021.

Oil Spill Off Israeli Coast Covers Beaches and Wildlife in Tar

Authorities are searching for the ship responsible for the unreported spill

The yellow colored king penguin Aptenodytes patagonicus was spotted after photographer Yves Adams suddenly saw penguins swimming towards the shore.

Rare Yellow Penguin Photographed for the First Time

The Antarctic bird has leucism, meaning its feathers do not contain melanin needed to produce black pigment

Elizabeth Ann, the first cloned black-footed ferret and the first cloned endangered species native to North America, pictured here at 50 days old.

Elizabeth Ann Is the First Cloned Black-Footed Ferret

The creature, the first cloned endangered species native to North America, could provide the fragile population with desperately needed genetic diversity

When conditions are right, Horsetail Falls transforms and emits an enchanting ember glow reminiscent of lava or falling fire.

Yosemite’s ‘Firefall’ Natural Wonder Illuminates El Capitan Through the End of February

Under the right conditions, viewers will have a short window of 10 minutes each evening to experience the glowing falls

By Monday evening, nearly 2,000 cold-stunned turtles were rescued from the Lower Laguna Madre Lagoon along the Texas Coast, where endangered green sea turtles call home.

Volunteers Scramble to Save Thousands of Sea Turtles Following Polar Vortex in Texas

As of last Wednesday, at least 3,500 sea turtles have been rescued from freezing waters in the midst record-breaking winter storm

Winter Storm Uri brought below-freezing temperatures and snow to 26 states this week, causing millions of people to lose electricity

How Winter Storm Uri Impacted the United States

The Arctic blast has swept across the Lower 48, bringing record cold temperatures and interruptions to electricity and water services

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