If you’ve texted on your Android phone, you may have noticed that some contacts have a small blue dot or a chat bubble on the bottom right of their profile picture. RCS messaging also likely ...

Blue Dot, named after Carl Sagan's famous speech about our place in the universe, features interviews with guests from all over the regional, national and worldwide scientific communities.

Related: Earth from space — Incredible images of our planet from above Writing in his book Pale Blue Dot (1994), Sagan's famous description of the image is just as relevant and powerful today as ...