Astronomers have uncovered a vast cloud of energetic particles—a "mini halo"—surrounding one of the most distant galaxy ...

Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...

Alien: Earth timeline placement means the series has the opportunity to explore some of the mysteries left behind by the ...

Astronomers have discovered the first step in planet birth, finding hitherto unseen structures in 78 planetary disks in the ...

Canadian researchers said they'd found the world's oldest rocks in northern Quebec. The find was controversial. But after ...