Experts say the peptide craze is part of a broader phenomenon, as patients look beyond the regulated health system to address problems that doctors have struggled to treat

The first thing you’re likely to notice is the blue bill. But beyond appearances, the duck has an exciting story to tell about conservation and recovery

Scientists are realizing that turtles, lizards and crocodilians communicate vocally more than they once thought

Before they become sandy souvenirs, the baubles in the bubbles of the shoreline serve as a veritable fortress for creatures like clams, mussels and conchs

The sport’s hard-court surfaces can reach some 30 degrees hotter than the surrounding air. With elite players suffering heat illness on the world stage, athletes are following personalized cooling plans

Meet the team that closely monitors the playful canines, which need help to form diverse packs and stop their numbers from dwindling

Pluto is now the most well known of the outer worlds beyond Neptune—and the darling of the solar system

The idea that universes evolve like organisms sat on the fringes of theoretical physics for decades. Then, a Substack post and a 2022 find by the James Webb Space Telescope boosted the concept

The dolphin-like marine mammals returned to San Francisco Bay in 2008 after a decades-long absence from the area. Scientists took the rare opportunity to closely observe their behavior, and what they uncovered might help at-risk porpoise populations

The drug, paired with intensive psychological support, may loosen the rigid patterns of thought associated with the eating disorder, scientists say—but they caution that it is not a magic cure

The four astronauts who rounded Earth’s natural satellite in April got an extremely rare view of the dark lunar disk blocking out the sun. Researchers say the observations provide unique scientific value for understanding our star’s mysteries

For 20 years, the National Geographic photographer has showcased Earth’s animals in a series of striking images that make even the tiniest creatures look immense

A recent mapping study examines places in northwestern Africa where coastal ecosystems overlap with surf breaks, highlighting areas that could support recreation, the environment and local economies, if protected

The work challenges the assumption that all life descended from one free-living cell. Instead, it suggests that two microbial lineages, the bacteria and archaea, evolved independently from a primordial, nonliving ancestor

A century ago, resident wolves were eliminated from the park. In 1995, biologists brought them back, marking a historic reintroduction of a top carnivore

Ever since that first daguerreotype on a light-sensitive metal plate, eclipse observations have continued to unveil the star's corona and bring people together to experience the solar system's majesty

By cannibalizing their siblings in the womb or avoiding meat-eating pliosaurs, fearsome carnivores like the megalodon ballooned to proportions that would dwarf any shark alive today

In a recent study, researchers dated a historic lahar called the Electron Mudflow to the summer of 1507, establishing a way to determine when past geologic events around the Puget Sound occurred

In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a peripheral region of a relatively calm planetary system

Since 2008, rules requiring ships to slow down to avoid collisions with North Atlantic right whales have reduced fatalities of the critically endangered animals. Now, NOAA is calling the regulations into question, raising concerns for the mammals’ future