NASA Astronauts Begin Spacewalk for Solar Array Work on Space Station

[NASA Webb Telescope] In May, a dust-sized micrometeoroid hit to Webb’s mirror was larger than tested for. After careful analysis, we've found it to be a rare statistical event. Webb’s optical performance remains twice as good as requirements.

Watch a 'solar snake' slither across sun's surface ahead of massive eruption

NASA’s Headed Back To The Moon And Here Are Innovators That Will Help It Get There