Mysterious radiation that appears to come from star HD 164595 is more likely to have a terrestrial origin.
It may make sense for intelligent aliens to have two eyes and ears on one head, and to walk upright. But other particulars – including their colour – are more open to speculation.
Some argue that it would be impossible to understand an alien language, as it wouldn't have the same grammar as humans use. But others are more optimistic.
According to a recent poll, 45 percent of Americans believe extraterrestrials have visited the Earth.
Raphael Terra, 'UFO Sunset.'
Whether it's Hillary Clinton's courting the UFO vote or Donald Trump's lending credibility to various conspiracy theories, the "triumph of reason" seems to have gone by the wayside.
We’re on the hunt for life – what do we do when we find it?
A philosopher argues that now is the time to figure it out, before we make the inevitable discovery of extraterrestrial life.
A laser could hide – or broadcast – our existence.
European Southern Observatory
There are technological ways to hide a planet from intergalactic detection – as well as ways to signal that we're just sitting here, eager for contact.
In the post-9/11, post-Iraq television landscape we’re familiar with government and terrorist conspiracy shows. How will aliens hold up?
© 2015 Lucasfilm Ltd. & TM. All Right Reserved.
The alternate reality visualised in Star Wars is now potentially much closer to home.
You know what, I think we looked better before.
There are solar-power sea slugs, so why haven't humans mastered the art of photosynthesis?
Gold Coast Mayor Tom Tate, Queensland Premier Annastacia Palaszczuk, Disney Studios Vice President Mary Ann Hughes and Screen Queensland CEO Tracey Vieira pose at Village Roadshow Studios on the Gold Coast last week.
AAP Image/Dave Hunt
For every film, specialists are employed for everything from rigging the lights executing the stunts. The announcement of two major new productions coming to Australia will develop that expertise.
Pretty picture (artist’s impression) but unlikely scenario.
Why the new exoplanet said to resemble out Earth might just as well resemble Venus or Neptune.
A new exoplanet has been discovered that is a lot like Earth.
Stop calling all the time. Ever heard of the three-day rule?
Simple mathematics suggests that if there are aliens out there, they should have reached us by now. So is it really worthwhile trying to communicate with them?
Green Bank telescope is one of the observatories that will eavesdrop on aliens.
The $100m project to search for aliens will help save observatories from closure and could lead to new astrophysical discoveries.
Looking for evidence of extraterrestrial intelligent life elsewhere in the universe.
Flickr/Asbjorn Sorensen Poulsen
Astronomers have been looking for signs of intelligent life elsewhere in the universe for centuries. But the search has so far found nothing. So what makes this latest hunt so different?
No green little men as far as the eye can see.
As far as underwhelming headlines go: “No Alien Life Found on Comet” must rank very close to the top. An article with this title appeared in the Guardian on July 6 in response to a story claiming that…
Square away your personal philosophy now; proof of life beyond earth is coming.
Stargazing image via www.shutterstock.com
Astronomers have found thousands of exoplanets and the hunt is on for life beyond Earth. Once biological neighbors are identified, our planet’s philosophies and religions will need to adapt.
We come in peace.
The Conversation organised a public question-and-answer session on Reddit in which Seth Shostak, senior astronomer at the SETI Institute, explained why searching for intelligent life is so important and…
Capturing planets for human use.
The Conversation organised a public question-and-answer session on Reddit in which David Waltham, reader in mathematical geology at Royal Holloway in London, explained what makes Earth so special and what…
Feeling the heat.
Enrico Fermi, when asked about intelligent life on other planets, famously replied, “Where are they?” Any civilisation advanced enough to undertake interstellar travel would, he argued, in a brief period…