The fate of humanity if aliens were to discover Earth with its balmy climate and bountiful resources, has long been a concern for scientists—many of whom fear the worst.
Astronomy
Apr 1, 2016
18
498
The search for radio signals from alien worlds is expanding to 20,000 star systems that were previously considered poor targets for intelligent extraterrestrial life, US researchers said Wednesday.
Astronomy
Mar 30, 2016
11
1628
An international team of astronomers, led by the University of Cambridge, has obtained the most detailed 'fingerprint' of a rocky planet outside our solar system to date, and found a planet of two halves: one that is almost ...
Astronomy
Mar 30, 2016
2
914
As scientists step up their search for other life in the universe, two astrophysicists are proposing a way to make sure we don't miss the signal if extraterrestrial observers try to contact us first.
Astronomy
Mar 1, 2016
60
1089
Twenty years ago, in Geneva, PhD student Didier Queloz discovered a planet orbiting another sun – something that astronomers had predicted, but never found. Today he continues his terra hunting for extreme worlds and Earth ...
Astronomy
Feb 15, 2016
0
31
The fixed division of labour between crested penguin parents increases their chicks' vulnerability to food shortages made ever more common by climate change. The parents have been unable to adapt their habits to the challenges ...
Plants & Animals
Feb 10, 2016
0
14
We know the Earth is habitable because—well, here we are. But would it look like a good candidate for life from hundreds of light-years away?
Astronomy
Feb 3, 2016
1
434
Life on other planets would likely be brief and become extinct very quickly, say astrobiologists from The Australian National University (ANU).
Astronomy
Jan 21, 2016
159
15613
We might commonly think of Earth as having an oxygen-dominated atmosphere, but in reality the molecule makes up only a fifth of our air. Most of what surrounds us is nitrogen, at 78 percent. Astrobiologists are beginning ...
Astronomy
Jan 13, 2016
2
64
The eating habits of mothers may be key to keeping wild animal populations steady, a study suggests.
Plants & Animals
Jan 11, 2016
0
7
