The find has excited scientists, but other explanations are possible.
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Articles on Alien life
Displaying 1 - 20 of 89 articles
It’s hard to look for something you’ve never seen before – and that might not even exist. But you have to start somewhere.
The Perseverance rover has arrived at what’s thought to be an ancient shoreline on Mars.
There’s anxiety among space scientists following Nasa’s decision to rethink sample return mission from Mars.
Perhaps life is more common in the universe that we think.
When scientists observed planets revolved around the Sun, they posited we were now like other planets. And if other planets were like Earth, then they most likely also had inhabitants.
The Solar System could be awash with oceans, not on the surface but hidden inside the most surprising bodies
Only about 12kg of oxygen is produced per second on Europa, which is on the lower side of previous estimates from about 5kg to 1,100 kg per second.
Several scientific projects are aiming to investigate UFO sightings.
Previous searches for extraterrestrial life have included only the radio band above 600 MHz, leaving lower frequencies virtually unexplored.
Control experiments are critical in informing the search for alien life.
The results are intriguing, but analysing the atmospheres of exoplanets is no easy task.
The James Webb Space Telescope has detected key carbon-bearing molecules on the potential ocean world K2-18b, including tantalising hints of a substance produced by tiny plankton on Earth.
Whistleblower allegations that the government possesses UFOs may not be backed up by public physical evidence, but some argue that listening for extraterrestrial life is the first phase of contact.
While UFO videos might seem compelling, they’re rarely backed up with evidence. A sociologist explains why claims of alien life gain traction through both social and mass media every few years.
There is a very large scientific leap from observing a fireball to claiming it as an alien spaceship.
Phosphorus is the most elusive element crucial for life as we know it – and we now have the first evidence there’s some available in the oceans of Enceladus.
Five out of the six essential elements required for life on Earth were known to exist on Enceladus. Now the sixth and final one has been found too.
To date, we have not heard from any aliens. Nor have we seen any – but here are the fascinating projects working to change that.
The James Webb space telescope is making the headlines again – this time completing its first chemical inventory of a distant, exotic world.
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Top contributors
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Professor (Astrophysics), University of Southern Queensland
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Professor of Physics, Deputy Director (Solar System) at the Mullard Space Science Laboratory, UCL
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Professor of Planetary and Space Sciences, The Open University
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Professor of Planetary Geosciences, The Open University
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Researcher at Research School of Astronomy and Astrophysics and the Research School of Earth Sciences, Australian National University
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Post Doctoral Research Fellow in Space Science, University of Birmingham
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Lecturer in Astrobiology and Principal Technical Officer at Bayfordbury Observatory, University of Hertfordshire
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Senior Lecturer in Physics, Nottingham Trent University
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Professor of Astronomy and Astrophysics, Penn State
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Professor and Director of the Australian Centre for Astrobiology, UNSW Sydney
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Ernest Rutherford Fellow, The Open University
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Distinguished Professor Emeritus of Sociology, University of South Carolina
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Senior Lecturer in Geology, University of Aberdeen
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John Curtin Distinguished Professor (Radio Astronomy), Curtin University
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Professor (Physics), University of Southern Queensland
