Space News

Russia will on Wednesday attempt to launch its newest rocket after an embarrassing last-minute glitch forced authorities to abort the initial test last week.

What was your favorite space news story of the last week?

A colossal but glancing smashup with a roughly Earth-size planet could have stripped away much of proto-Mercury's rocky mantle, explaining why the tiny, sun-scorched world has such a huge iron core today, researchers say...

Last night (July 5, 2014), the geometry of the heavens swept the Moon past Mars in the sky. This happens every month, but last night the fleeting encounter was closer than most. From my location in Boulder, Colorado, the...

On the evening of July 5, Mars and the Moon will be very near each other. People in the south will see a much more interesting sight.

From the eastern U.S. and Canada, the closest approach will take place after sunset. From the central Pacific Ocean, Hawaii, western portions of Central America and the northern half of South... --