Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

The Andromeda galaxy lies just beyond (...OK, about 2.5 million light-years beyond) our galaxy, the Milky Way. For the past hundred years or so, scientists thought these galaxies existed in a long ...

How long can a scorpion live underwater? How many babies do they have at one time? What to know about Arizona bark scorpions ...

“We also find an approximately 0.3 percent chance that Mars will be lost through collision or ejection and an approximately 0.2 percent probability that Earth will be involved in a planetary collision ...

From a bar in the clouds to finding more water from the Moon, outer space is constantly surprising us. A vast universe Think ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Look up some time at the night sky, glinting and humming with all manner of illumination — planes taking off from or ...

The object, a celestial body from another star system, was discovered on Tuesday by the University of Hawaii’s Asteroid Terrestrial-impact Last Alert System, or ATLAS, team. At this point, it remains ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

The Drake Equation has been called the second most important equation in science. How many alien societies exist and are detectable? The Drake Equation is a step toward the answer. Frank Drake created ...