The asteroid 2012 DA14, which will come within about 17,000 miles of Earth on February 15, is about half the size of ...

Last year, Japanese scientists found evidence that, in 775 AD, Earth was hit with a sudden blast of high-intensity ...

Good news from NASA: The asteroid Apophis, long thought to be on a potential collision course with Earth, isn't ...

When our sun first got going, some 4.5 billion years ago, it wasn't the same blazing star we know today - its warmth ...

So much great science fiction takes place when Earth is either gone or forgotten. Having ruined the planet and other ...

It was really big news back in October when astronomers discovered an Earth-sized planet whipping around Alpha ...