University of Calgary

Billions of years ago Mars "had a warm, habitable climate with liquid water in lakes and flowing rivers," writes Ars Technica. But "In order for Mars to be warm enough to host liquid water, there must have been a lot of carbon dioxide in the atmosphere," says Benjamin Tutolo, a researcher at the U...

A dinosaur fossil discovered in Mongolia boasts the largest ever complete claw, but the herbivorous species only used it to grasp vegetation

Fluoride is added to tap water in many countries around the world. But why?

Canadian researchers are collaborating across disciplines to find new solutions to antimicrobial resistance.

Rural generalist physicians are poorly supported in their work and need well-structured payment plans, ample access to locums, and training, according to a new analysis.

Cannabis is not recommended in pregnancy but experts say stigmatizing women for it introduces additional risks

Increased demands from an aging population and pandemic-related supply shortages leave provinces scrambling to allocate public and private resources.

News, features, and commentary about cancer-related issues

A new trial failed to show benefit of using a balloon guide catheter in stroke thrombectomy, but the study was stopped early so the treatment effect is uncertain.

A new study offers the first comprehensive look at the ties between fossil fuel companies and universities. It's not pretty.

In physics, nonreciprocity occurs when a system's response varies depending on the direction in which waves or signals are propagating within it. This asymmetry arises from a break in so-called time-reversal symmetry, which essentially means that a system's processes observed as they evolve over time will be different compared to those processes observed on rewind.

Millions struggle with housing affordability in Southern California. But Los Angeles County's experimental tool combines more than 400 factors to identify the residents most at risk of ending up on the streets – and it's working.

The "kimchi premium" is the price gap in cryptocurrencies, especially bitcoin, when listed in South Korea versus those listed in U.S. or European exchanges.

Some Ethiopian exiles, divided by civil war in their homeland, have turned into peace activists seeking to heal their communities' wounds.

Vitamin D status is unlikely to affect the clinical presentation of adults newly diagnosed with eosinophilic esophagitis

Adhering to even one healthy habit was significantly associated with lower incidence

The RESILIENT-Extend trial showed benefit for thrombectomy in the 8- to 24-hour window without the need for costly imaging equipment, albeit with some caveats.

Paleontologists in Canada have found a skeleton of a juvenile of the tyrannosaurid dinosaur Gorgosaurus libratus with the remains of two young individuals of Citipes elegans in its abdominal cavity.

Prey has been discovered inside the stomach of a tyrannosaur skeleton for the first time, scientists said Friday, revealing that the mighty dinosaurs had an "appetite for drumsticks" when they were young.

Research of the phenomenon called Steve has been driven by citizen photographers. As the solar maximum approaches, there could be even more opportunities to ...