Here’s how cannabis use became prohibited—and the science of its biological, psychological, and social effects.

Red hot chili peppers, and other hot peppers within the Capsicum genus, get their heat from the chemical capsaicin. Image credit: Austin Kirk, Flickr Share A few months after competing in the 2008 ...

With the upcoming launch of the James Webb Space Telescope, the Hubble era is gradually drawing to a close. Here are some highlights from the countless wonders Hubble has shown us during its 31 ...

Rust Belt cities could be the perfect place to develop this renewable energy solution.

New programs aim to help formerly incarcerated people enter careers in science, technology, engineering, and mathematics.

Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.

In the 1400s, Zheng He sailed thousands of miles around Asia and Africa in ships the size of soccer fields, spreading Chinese innovations like compasses and gunpowder in the process.

New evidence suggests that the larger system the Gulf Stream is part of, called the Atlantic Meridional Overturning Circulation (AMOC), is approaching a tipping point that could cause dramatic ...

As schools across the country close due to the COVID-19 pandemic, NOVA is committed to providing free STEM resources so that student learning can continue at home. For more than 40 years, NOVA has ...

Koalas are the only non-primates with fingerprints. How is that possible—and why?

Millions of people have experienced contraceptive service disruptions because of the coronavirus pandemic, the U.N. found.

As wildfires escalate in Western states, authorities are embracing once-outlawed burning practices.