As South Africa reflects on 30 years of democracy, it's important to ask whether its cities have changed for the better when ...

A small, seemingly unremarkable fern that only grows on a remote Pacific island was on Friday crowned the Guinness World ...

It may look like an innocent green plant, but its name evokes something far closer to a robot or interstellar rocket.

One of Earth's most consequential bursts of biodiversity—a 30-million-year period of explosive evolutionary changes spawning ...

Last-minute computer trouble nixed Saturday's launch attempt for Boeing's first astronaut flight, the latest in a string of ...

A Chinese spacecraft landed on the far side of the moon Sunday to collect soil and rock samples that could provide insights ...

Flash floods, mudslides and falling trees have killed at least 14 people in Sri Lanka as the island nation is battered by ...

California firefighters aided by aircraft battled a wind-driven wildfire burning Saturday in an area straddling the San ...

Delhi is reeling from the most extreme heat wave India has ever seen. While the record-breaking maximum recorded temperature ...

After its "birth" in the Big Bang, the universe consisted mainly of hydrogen and a few helium atoms. These are the lightest ...

Giraffes, with their distinctive body shape and variations in coat patterns, have long been an example in evolutionary ...

Troubled aerospace giant Boeing will try once more to fly its first crew to the International Space Station aboard a ...