Articles sur SETI

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The Parkes Observatory radio dish, the second largest telescope in the southern hemisphere, has a ‘multibeam’ receiver which can search 13 places in the sky simultaneously for signs of intelligent life. Shutterstock

Curious Kids: what has the search for extraterrestrial life actually yielded and how does it work?

The Universe is mind-bogglingly large and with the latest technology, the search is only just starting to heat up.
A Sept. 20 citizen “raid” on Area 51, a secretive military installation long fancied to hold alien remains, has drawn worldwide interest. Fer Gregory/Shutterstock.com

Yes, I’m searching for aliens – and no, I won’t be going to Area 51 to look for them

As more than a million people have indicated plans to partake in a citizen 'raid' on the famed Area 51 to 'see them aliens,' a scholar on the search for extraterrestrial life weighs in on the hype.
An artist’s impression of Kepler-22b, a planet known to comfortably circle in the habitable zone of a sun-like star. It is the first planet that NASA’s Kepler mission has confirmed to orbit in a star’s habitable zone - the region around a star where liquid water, a requirement for life on Earth, could persist. NASA/Ames/JPL-Caltech

Curious Kids: why has nobody found any life outside of Earth?

Life could exist in another solar system in a different part our galaxy. Or in another galaxy far away. We don't have the perfect technology yet to study such far away places but we're still trying.
Artist’s impression of Proxima b, a planet orbiting the star Proxima Centauri within the closest known star system outside of our solar system. (ESO/M. Kornmesser)

Can Artificial Intelligence help find alien intelligence?

Using AI to search for ET might help us find things we couldn't even imagine we should look for, but to succeed we also have think critically about how we create and use that technology.
The discovery of the year was the first detection of gravitational waves. LIGO/T. Pyle

2016: the year in space and astronomy

Colliding black holes to exploding spacecraft, 2016 was an incredible year for astrophysics.
Artist’s rendition of one of the billions of rocky exoplanets in our galaxy. Did life once exist on its surface? NASA/JPL-Caltech

RIP E.T. – alien life on most exoplanets dies young

Complex life may be rare in the universe because most planets become either too hot or too cold before life has a chance to get a foothold. This might explain why we have yet to bump into E.T.
A highlight of 2015 was the number of weird and wonderful exoplanets that were found. NASA/JPL-Caltech

Space in 2015 was out of this world

From a flyby of Pluto to the search for extrasolar planets and gravitational waves, 2015 was a monumental year for space news.
The light shining through an exoplanet’s atmosphere can give us a hint of whether the planet supports life. NASA, ESA, and G. Bacon (STScI)

Cloudy with a chance of life: how to find alien life on distant exoplanets

A hint of oxygen and a whiff of methane in a distant exoplanet's atmosphere may be the first evidence we discover of alien life.
Is this what we’re seeing around KIC 8462852 - a colossal megastructure built by alien intelligence? Probably not. The reality might be even more interesting. Kevin Gill/Flickr

Whatever the strangest star in the galaxy is, it’s sure to be amazing

There's a lot of speculation about a star behaving strangely in our galaxy. But even if it's not evidence of alien intelligence, it's sure to be an amazing discovery.
The discovery of Kepler-452b raises questions that go to the heart of religion. NASA/AAP/ Artist's impression of Kepler-452b.

Heavens above: what Earth 2.0’s discovery means for God

Kepler-452b's discovery last week has raised the perennial question: are we alone in the universe? While the find's scientific import is huge, it also poses questions that go to the heart of religion.

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