From breathtaking snapshots of distant galaxies to game-changing discoveries about the universe’s expansion, the Hubble Space ...

"It's like trying to spot a fish by looking for ripples in a pond, rather than trying to see the fish itself." ...

"This flight — and the engineering process that led us here — taught us valuable lessons on the design of the next iteration, ...

Curiosity rover is hunting for microbial life on Mars. NASA reconnaissance orbiter snapped its first-ever image of Curiosity moving across the planet.