Europe’s first Mars rover is set to set off next year. The ESA's Mars Express has been circling the planet since 2004. It's made amazing discoveries, finding traces of volcanoes and glaciers.

Seven of the 11 species of vulture in Africa are either in decline or on the edge of extinction. The scavengers play an important role in local ecosystems. In Kenya, an environmental protection agency is working to protect these endangered birds.

Can clones help fight species decline? Researchers are hoping to boost animal numbers and their genetic diversity with the help of cloning technology. How exactly does that work?

Hubble delivers vast amounts of data, to the delight of researchers. Martin Kornmesser and Luis Calcada are data visualization artists who turn the data into stunning, awesome photos and videos, to the delight of the entire human race.

Orbiting above the earth's atmosphere, the observatory has a clear view of the universe. Its findings have changed our understanding of the cosmos.

90%, 94.5% and even 95% — there's been a lot of varying information about the efficacy of COVID-19 vaccines recently. But how do they compare to other vaccines? Take a short trip through the history of inoculation.

Our viewer question this week comes from Edwin Bisesere in Kenya.

The dig in Guadalupe, Honduras, has yielded exciting finds but has had to be suspended because of the pandemic. A lot of the research is done back in the lab anyway.

It takes 8,000 liters of water to make one pair of jeans – an astronomical amount. What’s the water footprint of other common products? Measurements are based on the concept of ‘virtual water’.

Sound videos are all the rage right now. ASMR videos get millions of clicks on YouTube. Fans swear by their calming effect. One study by the University of Sheffield suggests that the 'brain tingles' from ASMR videos have physiological benefits.