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Articles on Extraterrestrial life

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A panorama stitched together from about 100 individual Curiosity images. The ‘door’ is circled, and is tiny and hard to see at this scale. NASA/JPL-Caltech/MSSS

A ‘doorway’ on Mars? How we see things in space that aren’t there

We should not be surprised that some of the innumerable rocks on Mars have weird shapes, because many have been sand-blasted by wind erosion for billions of years.
Pluto, the largest of the dwarf planets. This image was taken by NASA’s New Horizons spacecraft. NASA/JHUAPL/SwRI

What is a dwarf planet?

The dwarf planets in our Solar System are cold, dark, far away and full of surprises.
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Do aliens exist? We asked five experts

Even if aliens exist, are intelligent like humans and interested in making contact with us, what are the chances they’ll be close enough for us to hear them screaming their presence into the cosmos?
People who believe aliens have visited Earth are less likely to trust the 2020 election results. Colin Anderson Productions pty ltd/DigitalVision via Getty Images

What belief in extraterrestrial visitors to Earth reveals about trust in elections

Americans who believe aliens have visited Earth are more likely than disbelievers to say that Joe Biden is not the legitimate winner of the 2020 presidential election.
Artist’s depiction of a flare-coronal mass ejection event on Proxima Centauri. Mark Myers, ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav)

Bad space weather may make life impossible near Proxima Centauri

We observed a powerful flare and a huge burst of radio waves from our nearest stellar neighbour, Proxima Centauri, indicating violent space weather around the star.

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