It's easy to envisage other universes, governed by slightly different laws of physics, in which no intelligent life, nor indeed any kind of organized complex systems, could arise. Should we therefore be surprised that a universe ...
General Physics
Mar 15, 2023
14
295
DNA analysis of blood on a knife sheath helped lead to the arrest of accused murderer Bryan Kohberger in the homicide of four University of Idaho students. The leading role forensic genetics, familial DNA searching, and forensic ...
Biotechnology
Mar 13, 2023
0
10
Mineral particles played a key role in raising oxygen levels in the Earth's atmosphere billions of years ago, with major implications for the way intelligent life later evolved, according to new research.
Earth Sciences
Mar 6, 2023
0
43
We have long been fascinated with the idea of alien life. The earliest written record presenting the idea of "aliens" is seen in the satiric work of Assyrian writer Lucian of Samosata dated to 200 AD.
Space Exploration
Mar 3, 2023
0
25
Imagine that you live alone in a dark, hilly wood that stretches for miles in all directions. You know your own forest well, having hiked and surveyed it as far as your feet and your tools allow. In all these explorations, ...
Astronomy
Feb 15, 2023
0
10
Some 540 million years ago, diverse life forms suddenly began to emerge from the muddy ocean floors of planet Earth. This period is known as the Cambrian Explosion, and these aquatic critters are our ancient ancestors.
Astronomy
Feb 4, 2023
5
77
In a recent paper submitted to The Astronomical Journal in November 2022, a scientist at the Swiss Federal Institute of Technology Lausanne quantifies how the Earth has not heard a radio signal from an extraterrestrial technological ...
Astronomy
Jan 30, 2023
5
58
Researchers at AMOLF, University of Pennsylvania, and City University of New York (CUNY) created a nanostructured surface capable of solving equations using light. This discovery opens exciting new opportunities in the field ...
Nanophysics
Jan 16, 2023
0
213
A new Pentagon office set up to track reports of unidentified flying objects has received "several hundreds" of new reports, but no evidence so far of alien life, the agency's leadership told reporters Friday.
Other
Dec 16, 2022
1
81
We've had a long-running series here at UT on potential solutions Fermi paradox—why aren't we able to detect any alien life out there in the Universe? But more possible solutions are being developed all the time. Now, another ...
Space Exploration
Dec 6, 2022
2
19
