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Articles on Aliens

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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.'
Could an alien world look like this? Shutterstock

Curious Kids: What would aliens be like?

Somewhere out there, just maybe, an alien – probably stranger looking than in our wildest imagination – might be pondering this very question.
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.
Much of Mars’s surface is covered by fine-grained materials that hide the bedrock. The above bedrock is mostly exposed and it is in these areas that micrometeorites likely to accumulate. NASA/JPL-Caltech/Univ. of Arizona

Tiny specks in space could be the key to finding martian life

It's established Mars was once a planet with surface-level water. So with multiple MARS missions starting next year, the key to seeking out martian life may instead lie in the contents of its 'dust'.
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.

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