While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic clocks, the researchers say, particularly efforts to detect low-frequency ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh of relief. And they have the evidence to prove it. To be clear, the ...

Astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spacecraft. 3I/ATLAS was confirmed as the third known object to enter our solar system from interstellar ...