In “Why Do We Exist?” Hakeem Oluseyi explores how life may emerge to move energy through matter—and why Earth is the perfect ...

Europa looks like a frozen, lifeless moon — but beneath its shattered ice, scientists think there may be a vast saltwater ...

NASA's Curiosity rover uncovered critical new samples, including a series of compounds planetary scientists consider building ...

A Canadian woman has been killed and several people injured after a man opened fire at a popular historical site in Mexico.

Scientists reveal how waves behave on alien planets, from towering methane seas on Titan to nearly still lava oceans on ...

ESA/Foster + Partners. NASA is finally getting serious about staying on the moon. Less than two weeks after the historic ...

The ideas in this particularly juicy conspiracy theory were considered impossible when it was first proposed, but they are ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

A Canadian tourist was killed and others injured after a gunman opened fire atop a pyramid at Teotihuacan, one of Mexico’s ...

A sunny ride from Zermatt to Gornergrat feels like moving through a postcard. Expect peaceful landscapes, glacier views, and ...

Ancient Greeks believed in alien life, as well as in gods, souls, and beings that inhabited the Moon, stars, and Heavens.

"Project Hail Mary" clearly understands both these genres. Weir is an author who made his name in hard science fiction, with ...