NASA’s four year Kepler mission to search thousands of stars in the Milky Way galaxy for sun-like stars with planets that resemble the Earth has encountered a serious technical problem. A second of the four rapidly spinning internal “reaction wheels” that aim and steady the observatory has stopped turning, NASA announced late Wednesday. At [...]

Follow two childhood friends from the moment Curiosity’s landing on Mars captures their imaginations to the time not so far away when they become the first humans to walk on the red planet.

  The Hubble Space Telescope, a successful collaboration between NASA and the European Space Agency, will mark its 23rd anniversary in Earth orbit on Wednesday, April 24th. In celebration the partnership, along with the Space Telescope Science Institute and other organizations associated with the space observatory, has released an image of the iconic Horsehead Nebula, [...]

The Japan Aerospace Exploration Agency (JAXA) is preparing for launch its Hayabusa2 spacecraft – set to depart in 2014 then land on an asteroid in 2018. Then the mission will return samples of the space rock back to Earth in 2020. JAXA has opened up a Haybusa2 name and message campaign. The space agency will [...]

Howardites and eucrites are meteorite classifications, both of which are providing surprising clues to solar system-wide impact bombardment billions of years ago. New research unveils an unexpected link between asteroid Vesta and the Moon, providing new means for studying the early bombardment history of the terrestrial planets. According to the Lunar and Planetary Institute (LPI) [...]