NASA Astronauts Chris Cassidy and Robert Behnken tied the record for most U.S. Spacewalks on July 21, 2020. It was the 10th Spacewalk for both Cassidy and Behnken tying them with former astronauts Michael Lopez-Alegria and Peggy Whitson for the most spacewalks by an American Astronaut. Behnken and Cassidy performed a number of tasks designed […]
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Millions of miles from Earth lies a dusty, cold, desert world with a very thin atmosphere. You know this planet as Mars…but it hasn’t always been this way. There’s evidence that the Red Planet was much wetter and warmer, with a thicker atmosphere, billions of years ago. Could it also have supported life? NASA’s Perseverance […]
Millions of miles from Earth lies a dusty, cold, desert world with a very thin atmosphere. You know this planet as Mars…but it hasn’t always been this way. There’s evidence that the Red Planet was much wetter and warmer, with a thicker atmosphere, billions of years ago. Could it also have supported life? NASA’s Perseverance […]
As we explore Mars and other places in the solar system that might have life, scientists who work in Planetary Protection are busy making sure that we don’t contaminate them. While engineers prepare the Perseverance Rover for launch, Lisa Pratt, NASA’s Planetary Protection Officer, is making sure that it’s not carrying too many spores — […]
On July 21, NASA astronauts Chris Cassidy and Robert Behnken will conduct a spacewalk to finish a 3.5-year effort to upgrade the International Space Station’s power system. Coverage will begin around 7:35 a.m. EDT, and could last up to seven hours. Cassidy and Behnken will replace aging nickel-hydrogen batteries with new lithium-ion batteries delivered to […]
On July 21, NASA astronauts Chris Cassidy and Robert Behnken will conduct a spacewalk to finish a 3.5-year effort to upgrade the International Space Station’s power system. Coverage will begin around 7:35 a.m. EDT, and could last up to seven hours. Cassidy and Behnken will replace aging nickel-hydrogen batteries with new lithium-ion batteries delivered to […]