Illustration of hand holding locked smartphone surrounded by lines of computer text (© Shutterstock)

How to protect your smartphone from cyberattacks

With billions of people accessing the internet through smartphones, cybersecurity is more important than ever. Here's how to protect your device.
Woman with face mask and spray bottle running cloth over table (© Keith Srakocic/AP Images)

How long can the new coronavirus last on surfaces? This tool...

How long can the virus that causes COVID-19 survive on different surfaces? This online tool can give an estimate based on room temperature and humidity.
International Space Station over Earth (NASA)

Who owns the moon? We all do.

Thanks to the Outer Space Treaty, which came into force on October 10, 1967, there are no nuclear weapons in outer space and no military bases on the moon.
ShareAmerica Apollo XI 50th Anniversary poster

50th anniversary of the first moon landing [poster]

Fifty years ago brave American astronauts were the first humans to land on the moon. Download a free poster celebrating the Apollo 11 lunar landing.
Girl drinking water from pipe (AP Images)

Solar-powered water kiosks? In these rural villages, yes.

The reality is grim: worldwide, 780 million people — one out of every nine — lack access to clean water. Texas-born and Harvard-educated Anand Shah wanted a solution. After...
Green aurora stretched over Earth as seen from space (NASA)

‘Earth at Night’: Amazing photos from NASA

Check out NASA's latest e-book that shows how the Earth looks at night. Other NASA e-books focus on aeronautics and the history of space exploration.
Earth trojan asteroid (AP Images)

Here’s the plan to save humanity from killer asteroids

Asteroids hit the Earth every day. Most of these rocks and chunks of ice are dust-sized and are harmless to our planet. But some...

From lab to fork

Scientists and entrepreneurs are changing the way we grow our food, making agriculture ripe for another green revolution.
Country road at sunset (Shutterstock)

Nuclear power’s growing role in a clean energy future

A new U.S.-backed initiative is promoting innovative ways to integrate nuclear power into carbon-free and renewable energy systems.