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Articles on Aliens

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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.
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.
Perseverance took a selfie next to its biggest accomplishment yet – the two small drill holes where the rover took samples of Martian rocks. NASA/JPL-Caltech/MSSS

Perseverance’s first major successes on Mars – an update from mission scientists

Perseverance and its helicopter sidekick, Ingenuity, have been on Mars for nearly nine months. The duo have taken rock samples, performed first flights and taken images of the delta in Jezero Crater.
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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?
Proxima Centauri is the closest star to the solar system and is home to a potentially habitable planet. Hubble/European Space Agency/WikimediaCommons

Massive flare seen on the closest star to the solar system: What it means for chances of alien neighbors

Astronomers just measured the largest flare ever from Proxima Centauri, humanity’s closest neighboring star. These flares could be bad news for life trying to develop on a planet orbiting the star.
If a proposed law passes, this group of immigrants apprehended at the U.S. border near Mission, Texas, would be called ‘noncitizens,’ not ‘aliens.’ Sergio Flores for The Washington Post via Getty Images

From ‘aliens’ to ‘noncitizens’ – the Biden administration is proposing to change a legal term to recognize the humanity of non-Americans

Words matter, writes an immigration scholar. It is far easier to deny the humanity of an ‘alien’ than to do so for a ‘noncitizen.’

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