At the time of this writing, June 23, Jupiter was about half a degree left of the afternoon Sun and due to pass behind it ...

On July 2 1985, European Space Agency launched the Giotto space probe to learn more about Halley's Comet ...

Humankind's tangled shrub of ancestry now has a new branch: Researchers in the Philippines announced today that they have discovered a species of ancient human previously unknown to science ...