The explorer has begun broadcasting photos back to Earth

“People . . . protest to achieve change, and now we must deliver that change," de Blasio says

W "kept us safe"? Hardly, as these new revelations underscore. But the findings won't penetrate the GOP bubble

"We need another planet. If we lose this one, we are doomed"

As this screen shot from the Wednesday night debate indicates, the Bush mystery will not disappear.

A 1,000-foot-high tsunami may have caused the strange landforms on Mars, study suggests

John Sununu, Bush's former chief of staff, disputed claims his old boss had voted for Hillary Clinton. So what?

Whistleblower's attorney claims Sanders' office altered and withheld public records

The closest planet with potential extraterrestrial life is Mars, and humans are poised to colonize it

Controversial pastor Mark Driscoll's empire may be cracking amidst explosive new charges

Perseverance drilled a hole in a Martian rock to collect a sample — then the sample disappeared

Fears about biological warfare are breaking along gender lines.

The Obama-McCain contest will hold up a mirror to America's soul.

Humans and/or their robot friends will travel to Mars, several asteroids, many moons and more in the 2020s