NASA's Hubble Space Telescope and Chandra X-ray Observatory joined forces to find an elusive intermediate mass black holes in ...

Explore mind-blowing space facts in this video, including what would happen if we made a black hole on Earth, the ...

Gravitational lensing is one of astronomy's best tricks for seeing the early universe. When a massive galaxy cluster sits in ...

Smithsonian Starstruck brings a 3D virtual reality journey through the cosmos to Chicago’s Germania Place in October 2026.

Optical cavities are pairs of light-trapping mirrors and underpin the operation of lasers, atomic clocks and many types of ...

On Nov. 19, I'll show "How Big? How Far?" at the William M. Thomas Planetarium. I created the show to try to give a sense of ...

Explore notable Nobel Prize omissions, including Trump, Gandhi, and scientific pioneers overlooked for peace and science.