Suzanne K. Mast

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Illustration of Major Biden romping on White House grounds (State Dept./D. Thompson)

Major Biden: From shelter dog to ‘first pet’

President Biden's second dog, Major Biden, is the first presidential pet in U.S. history to go from shelter dog to White House companion.
Joe Biden and Jill Biden waving from front of White House (© Alex Brandon/AP Images)

Images of the inauguration [photo gallery]

See images of the 59th inauguration, at which Joseph R. Biden and Kamala D. Harris became the new president and vice president of the United States.
People standing outside (© Karim Sahib/AFP/Getty Images)

A star-studded U.S. pavilion for Dubai’s Expo 2020

The U.S. presented its pavilion — including moon rocks, a Mars rover and a SpaceX Falcon 9 rocket replica — for Dubai's Expo 2020.
Female astronaut working in enclosure filled with equipment and cables (NASA)

International Space Station marks 20 years of continuous human presence

Since November 2, 2000, the International Space Station has hosted researchers from 108 countries performing advanced experiments on life in space.
Woman in mask holding canister (NASA/Courtesy of Gabriela Vidad)

Grounded by pandemic, NASA interns keep researching

NASA interns have collected air pollution data from home during quarantines for COVID-19. See how interns have continued learning while social distancing.
Buzz Aldrin in spacesuit next to American flag on surface of moon (Neil Armstrong/NASA/AP Images)

Celebrate Space Exploration Day with a look at the 1st lunar...

On July 20, we mark the day in 1969 that U.S. astronauts Neil Armstrong and Buzz Aldrin became the first humans to set foot on the moon's surface.
People in protective gear posing with a ventilator prototype (NASA/JPL-Caltech)

NASA engineers develop a ventilator for COVID-19 patients

A chance meeting between two NASA scientists led to the development of a ventilator prototype to help patients suffering from COVID-19.
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.
Astronomical image of nebulas with holes (NASA/ESA/STScI)

Hubble celebrates 30 years by showing a ‘Cosmic Reef’

NASA and the European Space Agency mark the 30th anniversary of the Hubble Space Telescope with this amazing photograph from a nearby galaxy.