Illustration of spacecraft extending probe toward rocky surface (NASA/Goddard/University of Arizona)

In historic contact, NASA spacecraft touches asteroid

A NASA spacecraft made contact with an asteroid located millions of kilometers from Earth. Find out more about this historic space mission.
Woman in hallway putting on protective gear (© Ed Jones/AFP/Getty Images)

Promoting women in science and tech boosts prosperity

Creating equal access for women in STEM industries closes the labor gap, boosts economic growth and more. Learn how the U.S. is making that happen.
Pompeo in front of image with Huawei's logo superimposed (© Andrew Harnik/AP Images)

Guidance for U.S. tech aims to stop misuse by repressive regimes

The U.S. has issued new guidance to help companies identify and stop sales of technology that could be used to support oppressive regimes.
Gloved hand giving an injection (© Ted S. Warren/AP Images)

How vaccines work

Vaccines work by training the immune system to recognize and fight pathogens. Scientists are exploring new approaches for the novel coronavirus.
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.
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Who’s watching you online? 5 ways to prevent cybercrime. [video]

A wave of cyberattacks has everyone wondering how to protect themselves online. Find out what you can do.
Four women filling plastic cans with water from hose (USAID)

Hydrologist Fadji Maina’s path from Niger to NASA

Fadji Maina made history as NASA's first Nigerien scientist. Learn how her childhood inspired her to become a hydrologist and what she's working on.
Doctor giving injection to boy in school gym with two other medical professionals (© AP Images)

COVID-19 vaccine research builds on U.S. successes

The United States has a long history of developing vaccines and providing humanitarian assistance to fight infectious diseases worldwide.
Passenger wearing mask while walking down airplane aisle (© David J. Phillip/AP Images)

U.S. labs focus on making the indoors safer

A researcher has developed a ventilation system that would limit the transmission of pathogens, including the coronavirus, inside airplanes and vehicles.