Astronomy & Space news

Manned vs. Unmanned Space Exploration (Part 2)

Watching the Apollo landings on the moon as a child I could hardly have imagined I was seeing the end of an era – that of manned exploration of space. Shuttle trips to low earth orbit not withstanding; the ...

Nov 25, 2005 feature
3.9 / 5 (79) 0

Silence in the sky—but why?

(Phys.org) —Scientists as eminent as Stephen Hawking and Carl Sagan have long believed that humans will one day colonise the universe. But how easy would it be, why would we want to, and why haven't we ...

Aug 26, 2013
4.3 / 5 (72) 213 | with audio podcast

A possible signal from dark matter?

(Phys.org) —Galaxies are often found in groups or clusters, the largest known aggregations of matter and dark matter. The Milky Way, for example, is a member of the "Local Group" of about three dozen galaxies, ...

Aug 12, 2014
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Voyager makes an interstellar discovery

The solar system is passing through an interstellar cloud that physics says should not exist. In the Dec. 24th issue of Nature, a team of scientists reveal how NASA's Voyager spacecraft have solved the mystery.

Dec 26, 2009
4.7 / 5 (65) 27

Radio-burst discovery deepens astrophysics mystery

The discovery of a split-second burst of radio waves by scientists using the Arecibo radio telescope in Puerto Rico provides important new evidence of mysterious pulses that appear to come from deep in outer ...

Jul 10, 2014
4.8 / 5 (63) 10