Video footage and pictures from the Oval Office show President Donald Trump signing off executive orders with a thick, black ...

There is no such thing as “black light wavelength”—so why do black T-shirts, black crayons, and black marking pens look black? Investigate a variety of black ink markers, and find out why they look ...

In response to widespread confusion sparked by a viral social media post, the Press Information Bureau (PIB) stated on Friday ...

Most of the black ink we use in pens and printer cartridges comes from burning fossil fuels. To reduce that, and cut existing pollution, Sharma and his team came up with a technology called ...