For almost 200 years since then, we’ve used cameras, film, and images printed on paper. These tools let us make pictures we can put in albums, picture frames, and galleries. Today, modern technology ...

Sunita Williams and Butch Wilmore, who were stranded in space for 9 months, have finally returned to Earth on March 19 during the wee hours (IST). Their Dragon spacecraft made a smooth splashdown ...