Did NASA find another Earth? Scientists look to the sky to find a copy of our planet, and some experts think they may have ...

Scientists have gotten a never-before-seen look at an area around a large exoplanet 625 light-years away where moons like the one orbiting Earth could potentially form. Using data from NASA’s James ...

CAPE CANAVERAL, Fla. (AP) — A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. The comet known as 3I/Atlas will ...

The findings may redefine the known boundaries of life on Earth and offer a model for what microbial life might look like on ...

Most pieces in this series of primers have stayed within the realm of the biological, examining life at the levels of the species, the individual, the organ and the cell. But the first dealt with a ...

Never-before-seen “dark beads” and other unique structures were observed in the atmosphere above the north pole of Saturn — stumping astronomers who say the “unexplained” phenomenon has “no analog” in ...

For decades, Uranus baffled scientists because it seemed to have no internal heat. Now, new computer modeling shows the planet actually emits more energy than it receives from the Sun. This subtle ...