"The configuration that we end up with within the solar system is definitely not something that is indeed common," Chen told ...

Each evening these next few weeks, the sky brings us the brightest gems that shine beyond our solar system. Jupiter also will ...

Computer simulations suggest that Mars' puzzling moons, Phobos and Deimos, may have been formed from debris created when a ...

The essential ingredient for life, water, appeared on both planets around 4.4 billion years ago, new research indicates.

With four gold medals and one silver, Venus Williams is the most decorated tennis player in Olympic history ahead of her nearest rival, younger sister Serena (four golds). The two siblings' careers ...