A newly detected gravitational wave, GW250114, is giving scientists their clearest look yet at a black hole collision—and a powerful way to test Albert Einstein’s theory of gravity. Its clarity allowed scientists to measure multiple “tones” from the collision, all matching Einstein’s predictions. 

So as Albert Einstein put it: “What is the meaning of human life, or of organic life altogether? To answer this question at all implies a religion. Is there any sense then you ask, in asking it? I answer, people who regard their own life and that of their fellow creatures as meaningless are not merely unfortunate but almost disqualified for life.”

The outer planets of our Solar System are swarmed by ice-wrapped moons. Some of these, such as Saturn’s moon Enceladus, are known to have oceans of liquid water between the ice shell and the rocky core and could be the best places in our solar system to look for extraterrestrial life.

A new study published in Nature Astronomy sheds light on what could be going on beneath the surface of these worlds and provides insights into how their diverse geologic features may have formed. “Not all of these satellites are known to have oceans, but we know that some do,” said Max Rudolph, associate professor of earth and planetary sciences at the University of California, Davis and lead author on the paper.

Science provides more clues to an astrochemical mystery: Where does carbon, the building block of life, come from and go to in the universe? Researchers have detected pyrene, a type of large carbon-containing molecule known as a polycyclic aromatic hydrocarbon in the Taurus molecular cloud which is close to Earth at 430 light years away.

There are about 400-500 hundred billion stars in our Milky Way galaxy and most of them have multiple planets and moons. So scientists believe that there must be millions of........

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