The cosmos is a unique laboratory for testing the laws of physics, in particular those of Euler and Einstein. Euler described the movements of celestial objects, while Einstein described the way in which celestial objects ...
Astronomy
Jun 22, 2023
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In science, the explanation with the fewest assumptions is most likely to be true. Called "Occam's Razor," this principle has guided theory and experiment for centuries. But how do you compare between abstract concepts?
Mathematics
Jun 14, 2023
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Imagine using your cellphone to control the activity of your own cells to treat injuries and disease. It sounds like something from the imagination of an overly optimistic science fiction writer. But this may one day be a ...
Quantum Physics
May 16, 2023
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223
A vast galaxy cluster lurks in the center of this image from the NASA/ESA Hubble Space Telescope. Like a submerged sea monster causing waves on the surface, this cosmic leviathan can be identified by the distortions in spacetime ...
Astronomy
May 15, 2023
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11
Researchers have developed a new high-speed way to detect the location, size and category of multiple objects without acquiring images or requiring complex scene reconstruction. Because the new approach greatly decreases ...
Optics & Photonics
May 3, 2023
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201
Physicists at the Australian National University (ANU) are using nanoparticles to develop new sources of light that will allow us to "peel back the curtain" into the world of extremely small objects—thousands of times smaller ...
Nanophysics
Apr 26, 2023
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31
The large impact craters dotting our planet are powerful reminders that asteroids and comets strike the Earth from time to time. As often said, it's not a question of "if"; it's a matter of "when" our planet will face an ...
Space Exploration
Apr 25, 2023
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43
You may have heard about an asteroid set to fly near Earth that is the size of 18 platypus, or maybe the one that's the size of 33 armadillos, or even one the size of 22 tuna fish.
Astronomy
Apr 18, 2023
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Though we live in a vast three-dimensional universe, celestial objects seen through a telescope look flat because everything is so far away. Now for the first time, astronomers have measured the three-dimensional shape of ...
Astronomy
Apr 13, 2023
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This luminous image from the NASA/ESA Hubble Space Telescope shows , a celestial object that lies about 390 million light-years from Earth in the constellation Lyra. Z 229-15 is one of those interesting celestial objects ...
Astronomy
Apr 3, 2023
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