Canadian health researchers are urging the country to choose permanent standard time over permanent daylight saving time if it ends the twice-yearly clock...
New observations of 21 extreme debris disks suggest the dust comes from violent impacts between planet-building bodies, and could even flag star systems...
Dongoconodon platycauda, a small eutriconodontan mammal that lived alongside dinosaurs in what is now northeastern China paddled through the water with...
Paleontologists studying Cretaceous fossils have repeatedly found that the teeth of many ancient animals contain more of a heavier carbon isotope, carbon-13,...
Norellraptor barsboldi, a new species of small microraptorine dinosaur from the 120-million-year-old rock beds of China’s Liaoning province, challenges...
A new analysis of orbital and lander data from Mars suggests the exposed north-polar water ice contains less than 3% dust, far below earlier estimates...
Tenuicruris piscanexum is only the second Cretaceous bird species named from the Australian continent.
Life restoration of Tenuicruris piscanexum. Image...
A new species of deltatheroidan mammal from China may be the oldest confirmed ancestor of marsupials yet found, offering fresh evidence that Asia played...
A tubular marine creature that lived on the seafloor more than 540 million years ago may have survived in toxic, sulfur-rich waters by teaming up with...
For the first time, astronomers have directly detected radio emission from a planet beyond our Solar System.
This artist’s impression shows how the gas...
Scientists have created a digital facial approximation of the Jebel Irhoud hominin, whose remains are dated to about 315,000 years ago.
Facial approximation...
Dr. Dirk Knaust, a geologist with the Norwegian energy company Equinor ASA, has identified plesiosaur regurgitalites — the technical term for fossilized...
Paleontologists working in Patagonia, Argentina, have uncovered fossilized eggshells that push the known range of dinosaur nesting deeper into the southern...
Using data collected by NASA’s Perseverance rover, planetary scientists have revealed that a geologically puzzling formation in Jezero crater experienced...
Paleontologists have described a new genus and species of therizinosaur based on a nearly complete skeleton found in northeastern China. Named Kayrasaurus...
A barred spiral galaxy called NGC 4698 has a bizarre structure in which its central stars and gas rotate perpendicular to the galaxy’s main disk, possibly...
Scientists have long treated the brain as a single organ that grows from one pool of early cells. Stanford University neuroscientist Kyle Loh and colleagues...
A new analysis of Tyrannosaurus rex teeth indicates the ancient predator maintained a body temperature of about 36.3 degrees Celsius (97.3 degrees Fahrenheit),...
