Sheperd Doeleman, founding director of the Event Horizon Telescope Collaboration, talks about how his team accomplished the historic achievement of imaging a black hole.

Join us for an Air and Space Live Chat celebrating the 55th anniversary of the first American spacewalk by astronaut Ed White in 1965. Bring your questions that historic moment and spacewalks in general for our guests Museum curator Jennifer Levasseur, NASA chief historian Bill Barry, and...

Join us for an Air and Space Live Chat about the upcoming Dragonfly mission to Titan, which will explore Saturn's largest moon. Titan is the only moon in our solar system with a substiantial atmosphere and the Dragonfly rotorcraft will fly to points of interest around Titan, possible thanks to ...

This year we celebrate the 30th anniversary of the launch of the Hubble Space Telescope. For three decades thousands of astronomers from around the world have exploited the remarkable capabilities of the telescope and its scientific instruments to revolutionize our understanding of the universe.