Smart, as its name implies, requires lots of data from a range of sources and types. For example, smart cities require data ...

The tiny nucleus of the comet (not visible) is surrounded by a bright halo of gas known as the coma. A long tail stretches away from the comet, and we see hints of rays, jets, streams and filaments.

Bright flash and house-rattling boom was seen and heard over southeastern B.C., with footage showing the sky brightening ...

Iran's Revolutionary Guards is reported to have targeted the USS Abraham Lincoln, as strikes are reported in Tel Aviv, Dubai, Doha and Bahrain's capital.