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An epaulette shark photographed at an aquarium, showing the distinctive large black spot behind the pectoral fin that gives these sharks their name. Photo: Strobilomyces / CC BY-SA 3.0, via Wikimedia Commons.
Nature

This Shark Walks on Four Fins. Scientists Just Found a New One.

Marine biologists surveying the waters of eastern Papua New Guinea have identified a tenth species of walking shark. Hemiscyllium dudgeonae uses its fins to crawl across the seafloor, and like its cousins, its tiny home range makes it vulnerable to extinction before most people even learn its name.

June 20, 2026 · 5 min read
Comet 3I/ATLAS seen through Webb MIRI instrument in three infrared wavelengths with gas contours showing water vapor, carbon dioxide, and methane distribution around the nucleus
Science

JWST Just Caught an Interstellar Comet Carrying Chemicals That Don't Match Our Solar System

More than a dozen NASA missions tracked 3I/ATLAS as it passed through. Webb's MIRI instrument caught the chemical fingerprint on the way out, and found methane buried under the surface ice, the first ever detected on an object from another star system.

June 19, 2026 · 5 min read
The Artemis III prime crew in their Orion Crew Survival System flight suits. From left: Andre Douglas, Luca Parmitano, Randy Bresnik, and Frank Rubio. Credit: NASA.
Science

NASA Just Named the Crew That Will Clear the Path Back to the Moon

On June 9, 2026, NASA announced four astronauts who will fly the most complex human spaceflight mission in recent history. Their job is not to land on the Moon. It is to dock with two commercial lunar landers in Earth orbit and prove the choreography works before the next crew goes for the surface.

June 19, 2026 · 5 min read
A 3D reconstruction of asteroid Donaldjohanson showing a peanut-shaped body with two distinct lobes connected by a narrow neck, heavily cratered surface, rotating in space. Credit: NASA/Goddard/SwRI/Johns Hopkins APL.
Science

This Asteroid Tumbles Like a Badly Thrown Football. Scientists Just Figured Out Why.

NASA's Lucy spacecraft buzzed an asteroid called Donaldjohanson at 30,000 mph hoping to test its cameras. The data it brought back revealed a peanut-shaped rock wobbling on two axes at once, with clay minerals that still carry the chemical signature of ancient water.

June 19, 2026 · 5 min read
A composite near-infrared and optical image of the stellar system Terzan 5, showing thousands of stars packed densely together against the dusty backdrop of the Milky Way central bulge
Science

Astronomers Just Found a Fragment of the Galaxy's Birth Hiding in Plain Sight

A star cluster catalogued in 1968 was filed as a globular cluster and mostly ignored. Now Webb and Hubble have shown it contains four generations of stars born across 10 billion years, making it a surviving building block from the Milky Way's formation.

June 18, 2026 · 5 min read
A composite image of spiral galaxy Messier 83 combining X-ray data from NASA's Chandra observatory with optical light from Hubble, showing pink spiral arms and numerous bright X-ray point sources
Science

A Galaxy 15 Million Light-Years Away Is Putting On a Fireworks Show Nobody Expected

Supernova remnants are supposed to fade slowly after the explosion. But when astronomers watched the galaxy M83 for 14 years with NASA's Chandra X-ray Observatory, half of them started flickering instead.

June 18, 2026 · 5 min read
Intertwined filaments in a 540-million-year-old microfossil from the Tamengo Formation in Mato Grosso do Sul, Brazil, identified as fossilized bacterial and algal communities
Science

These 540-Million-Year-Old Fossils Were Thought to Be Animals. Then Scientists Looked Closer.

In 2017, researchers found tiny filaments in Brazilian rocks they thought were traces left by ancient worms. A new study using a particle accelerator says they were something else entirely: fossilized communities of bacteria and algae large enough to see without a microscope.

June 17, 2026 · 5 min read
JWST image of galaxy cluster Abell S1063 showing gravitational lensing arcs, with the little red dot GLIMPSE-17775 highlighted by an orange square near the bottom
Science

JWST Found These Little Red Dots in the Early Universe. They Were Black Hole Stars.

In 2022, JWST spotted mysterious red objects in the early universe that defied explanation. The deepest spectrum ever taken of one points to a new kind of object: a supermassive black hole wrapped in a dense cocoon of gas.

June 17, 2026 · 5 min read
Artist's reconstruction of Labrujasuchus expectatus, a bipedal toothless shuvosaur, standing in a Triassic badlands landscape resembling Ghost Ranch, New Mexico
Science

The Witch Croc: A Two-Legged, Toothless Crocodile Cousin from Triassic New Mexico

At Ghost Ranch, paleontologists found a bipedal, beaked crocodile relative that looked more like an ostrich than a reptile. They had been waiting 20 years for it.

June 16, 2026 · 5 min read
Microeledone galapagensis, a tiny blue octopus, resting on sandy sediment at roughly 1,773 meters depth near Darwin Island in the Galapagos
Nature

A Golf-Ball-Sized Blue Octopus From 6,000 Feet Down Is New to Science

In 2015, researchers aboard the E/V Nautilus spotted a tiny blue octopus near Darwin Island. Eleven years later, it has a name: Microeledone galapagensis.

June 16, 2026 · 5 min read
Earth setting over the lunar surface photographed by the Artemis II crew from the Orion spacecraft on April 6, 2026
Science

The New Earthrise: Artemis II Photographs Home

On April 6, 2026, the Artemis II crew watched Earth slide behind the Moon and captured a photo that echoes the 1968 Earthrise, moments before losing radio contact for 40 minutes.

June 15, 2026 · 5 min read
Collage of six Hubble Space Telescope images showing gravitational lenses, a ring galaxy, a galactic merger, and an unclassified object discovered by the AnomalyMatch AI
Science

An AI Searched Hubble's Archive and Found 800 Things Nobody Had Seen

ESA researchers trained a neural network called AnomalyMatch on nearly 100 million Hubble image cutouts. In two and a half days it found more than 1,300 cosmic oddities, and over 800 were new to science.

June 15, 2026 · 6 min read