Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than ...
For over two months, astronomers have been closely following an interstellar object — dubbed 3I/ATLAS — as it screams through the solar system at a breakneck speed. The unusual visitor was only the ...
Even in some of the most extreme areas in the universe, Albert Einstein’s theory of general relativity seems to hold up. A test of a key tenet of general relativity using three stars has shown that ...