Tag: alien

Massive volcanic events in Earth's history that released large amounts of carbon into the atmosphere frequently correlate with periods of severe environmental change and mass extinctions. A new method to estimate how much and how rapidly...
Global melting is prying the lid off methane stocks, the extent of which we do not know. A young researcher from the University of Copenhagen has discovered high concentrations of the powerful greenhouse gas in meltwater...

There could be alien life on Mars, but will our rovers be able to find it?

Robotic rovers are currently exploring the surface of Mars. Part of a rover's mission is to survey the planet for signs of life. There...

Searching for life on alien worlds

Twenty-seven years ago, at the University of Geneva, Michel Mayor and Didier Queloz—now a professor at ETH—discovered the first extrasolar planet orbiting a sun-like...

How should the world’s governments respond if we detect an alien civilization?

Science fiction is the realm where people traditionally wrestle with the idea of contact with an ETI (Extraterrestrial Intelligence.) But now, those discussions are...

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