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Unexplained Mysteries
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Space & Astronomy

Deep Impact spacecraft readies for comet

10-27-2010 |

The Deep Impact spacecraft will soon be making a close approach of the comet Hartley 2.

Space & Astronomy

Invisible star 'shooting comets at Earth'

3-14-2010 | 48

A brown dwarf star could be circling the sun and throwing extinction sized comets in our direction.

Space & Astronomy

Are the oceans made from comets ?

11-15-2009 | 4

Earth's oceans may not have been formed as the result of vapors emitted during early volcanism but may have instead been...

Space & Astronomy

What (maybe) didn't kill the dinosaurs

10-4-2009 | 0

A new mechanism devised to explain how icy bodies from the Oort cloud get past Jupiter and Saturn has revealed that it i...

Science & Technology

Mass extinction event spared Europe

9-27-2009 | 2

When a massive comet smashed in to the Earth 65 million years ago it caused widespread devastation that saw the end of t...

Science & Technology

Comet swarm delivered Earth's oceans ?

8-9-2009 | 3

A barrage of comets some 3.85 billion years ago could have accounted for the arrival of the Earth's oceans a new study h...

Space & Astronomy

Evidence of liquid water in comets

8-2-2009 | 4

During the first million years of their formation comets would have contained large amounts of liquid water it has been ...

Space & Astronomy

Space shuttle provides Tunguska clues

6-26-2009 | 1

The 1908 explosion over Tunguska in Siberia was most certainly caused by a comet it has been claimed. The conclusion is ...

Science & Technology

Did comets bring life to Earth ?

5-3-2009 | 9

A team at Tel Aviv University has found that comets could have brought the missing ingredients required for life in Eart...

Space & Astronomy

'Dark' comets may pose threat to Earth

2-17-2009 | 7

Scientists have warned that 'dark comets' could pose a threat to the Earth and that we won't be able to detect them. A c...

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