The debate could reopen in 2030 when NASA’s Europa Clipper spacecraft gets the closest view of the icy moon’s surface.

Scientists are planning to use NASA's Hubble Space Telescope to observe next month's historic transit of Venus across the sun's face. But there's a twist. Researchers can't point Hubble anywhere near ...

"The evidence for water vapor plumes on Europa isn’t as strong as we first understood it." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

NASA offers a simple way to see which stunning celestial image the Hubble Space Telescope captured on your birthday.

Since it launched into space on April 24, 1990, the Hubble Space Telescope has been an invaluable instrument to astronomers in unraveling the mysteries of the universe. As it orbits the Earth from 340 ...

CNN — The Hubble Space Telescope has spied evidence of water vapor in the atmosphere around Jupiter's moon Ganymede, the largest moon in our solar system. The water vapor forms as the icy surface of ...

An expert in space and environmental durability of spacecraft materials, de Groh remembers a fleeting mood of disappointment, quickly followed by marching orders from NASA to help find solutions for ...