Considered Extinct for 36 Years: Endangered Vulture Returns to Bulgaria

'The Center Seat: 55 Years of Star Trek' docuseries lands on home video

Painting of Sunspot by James Nasmyth, 1860. Nasmyth discovered fine scale solar features, which he called 'willow-leaf-shaped objects'. Now known as solar granulation, their existence was disputed for many years

Astron: Venera Turned Space Telescope - Launched 40 years ago