The National Aeronautics and Space Administration (NASA) is the agency of the United States Federal Government responsible for the civilian space program as well as aeronautics and aerospace research.
NASA's new TEMPO instrument has captured the first hourly images of air pollution over North America, revealing hotspots in major cities and transportation corridors.
Increases in emissions of greenhouse gases like CO2 trap heat in the atmosphere, capturing outgoing radiation that would otherwise escape into space.
Mary Winston Jackson was NASA's first African American female engineer. In 2019, she was posthumously awarded the Congressional Gold Medal.
作为行星探测最成功、持续时间最长的壮举之一，美国国家航空航天局NASA的机遇号火星漫游车在火星表面探索、为美国宇航局重返这颗红色星球奠定了基础，其将近15年的任务也走向了终结。
Since landing on the Red Planet in January 2004, Opportunity has made several groundbreaking discoveries during its 15-year stay.
Scientists have announced the existence of gravitational waves, confirming one of Einstein’s last unproven theories.
