In June, Museum Curator John Sparks was trained in the Exosuit, a next-generation atmospheric diving system, at Woods Hole Oceanographic Institution in Massachusetts.
For the October 8 lunar eclipse, observers in the eastern U.S. might be able to see the rising sun and setting full moon simultaneously thanks to Earth's atmosphere.
This weekend come to Museum to discover an array of animals whose evolutionary history began more than 200 million years ago.
Cosmologist Alexander Vilenkin discusses new research suggesting that the Big Bang was not unique in the cosmic history.
Upcoming colossal telescopes will offer glimpses into the unknown, but you also can find a telescope this summer to see what's up near you.
Through January 5, 2015
Through October 12, 2014
Through Sunday, August 10, 2014
Saturday, April 5, 2014, through Sunday, January 4, 2015