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Articles on SETI

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Scientists think there are 300 million habitable planets in the Milky Way, and some may be home to intelligent life. Bruno Gilli/ESO

Blasting out Earth’s location with the hope of reaching aliens is a controversial idea – two teams of scientists are doing it anyway

This year, two groups of astronomers plan to send messages containing information about humans and the location of Earth toward parts of space they think may be home to intelligent life.
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.

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