The successful test is a major milestone for "the world's most magnificent time machine."

January 10, 2018

Nearly everywhere there is water, there is life.

April 25, 2017

A tiny, one second error would send manned space crews hurtling to their deaths.

November 27, 2016

It seems that the lander took the direction of making an impact a little too literally.

October 22, 2016

The 14-minute digital transmission could be received by a host of alien worlds.

October 13, 2016