Private US company SpaceX hopes to put an astronaut on Mars within 10 to 20 years, the head of the firm said.

Space & Earth - Space Exploration

Apr 23, 2011 4.6 / 5 (40) 93

In a significant finding in the search for life beyond Earth, scientists from The University of Texas at Austin and elsewhere have discovered what appears to be a body of liquid water the volume of the North ...

Space & Earth - Space Exploration

Nov 16, 2011 4.8 / 5 (38) 30 |

(PhysOrg.com) -- NASA's plucky Voyager 2 spacecraft has hit a long-haul operations milestone today -- operating continuously for 12,000 days.

Space & Earth - Space Exploration

Jun 29, 2010 4.8 / 5 (38) 9 |

(PhysOrg.com) -- Solar tornadoes several times as wide as the Earth can be generated in the solar atmosphere, say researchers in the UK. A solar tornado was discovered using the Atmospheric Imaging Assembly ...

Space & Earth - Space Exploration

Mar 29, 2012 4.6 / 5 (40) 14 |

The solar physics community is abuzz this week. No, there haven't been any great eruptions or solar storms. The source of the excitement is a modest knot of magnetism that popped over the sun's eastern limb ...

Space & Earth - Space Exploration

Dec 17, 2007 4.6 / 5 (40) 1

(AP) -- When the sun sneezes it's Earth that gets sick. It's time for the sun to move into a busier period for sunspots, and while forecasters expect a relatively mild outbreak by historical standards, one ...

Space & Earth - Space Exploration

May 08, 2009 4 / 5 (45) 10

While there's no official word from NASA on this, the buzz around the blogosphere is that Voyager 1 has left the Solar System. The evidence comes from this graph, above, which shows the number of particles, ...

Space & Earth - Space Exploration

Oct 09, 2012 4.9 / 5 (37) 19 |

Some of the elements necessary to support life on Earth are widely known - oxygen, carbon and water, to name a few. Just as important in the existence of life as any other component is the presence of adenine, an essential ...

Space & Earth - Space Exploration

Aug 14, 2007 3.9 / 5 (46) 0

(PhysOrg.com) -- In 1974, humans broadcast the first message targeted at extraterrestrial life using the Arecibo radio telescope in Puerto Rico. The message, which was aimed at the globular star cluster M13 ...

Space & Earth - Space Exploration

Feb 04, 2011 4.2 / 5 (42) 140 |

(PhysOrg.com) -- If humans ever create a lunar base, one of the biggest challenges will be figuring out how to breathe. Transporting oxygen to the moon is extremely expensive, so for the past several years ...

Space & Earth - Space Exploration

Aug 11, 2009 4.5 / 5 (39) 21

(PhysOrg.com) -- California middle school students using the camera on NASA's Mars Odyssey orbiter have found lava tubes with one pit that appears to be a skylight to a cave.

Space & Earth - Space Exploration

Jun 17, 2010 4.4 / 5 (39) 14 |

The first evidence of a volcanic eruption from beneath Antarctica’s most rapidly changing ice sheet is reported this week in the journal Nature Geosciences. The volcano on the West Antarctic Ice Sheet erupted 2000 years ...

Space & Earth - Space Exploration

Jan 20, 2008 3.9 / 5 (44) 5

Why have we not made contact with aliens after so many years searching the depths of space? The Eerie Silence, a new book by SETI researcher Paul Davies, provides a fresh and thoughtful look at this question.

Space & Earth - Space Exploration

Apr 15, 2010 4.8 / 5 (36) 71 |

A rare and exotic mineral, so unusual that it was thought impossible to exist, came to Earth on a meteorite, according to an international team of researchers led by Princeton University scientists. The discovery ...

Space & Earth - Space Exploration

Jan 13, 2012 4.6 / 5 (37) 7 |

Six years ago, MIT engineering Professor David Miller showed the movie Star Wars to his students on their first day of class. There's a scene Miller is particularly fond of, the one where Luke Skywalker spars ...

Space & Earth - Space Exploration

Jun 01, 2006 4.9 / 5 (35) 0