Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

A new study using data from NASA’s Spitzer Space Telescope provides a rare glimpse of conditions on the surface of a rocky planet orbiting a star beyond the Sun. The study, published today in the ...

(CNN) — Data from a retired NASA mission has revealed evidence of an underground reservoir of water deep beneath the surface of Mars, according to new research. A team of scientists estimates that ...

Astronomers have recently brought a mysterious planet into the spotlight, a celestial body that bears striking resemblance to our own Earth. This exoplanet, discovered through advanced observational ...

A photo of Jupiter taken by NASA's Juno spacecraft in September 2023. NASA/JPL-Caltech/SwRI/MSSS, image processing by Tanya Oleksuik The planet Jupiter has no solid ...

Was Mars a friendly planet for water, even life, in its ancient past? Huge channel networks run across its surface. Rocks show signs of water immersion. Yet pictures sent back from NASA's Curiosity ...

The small craft will seek to prove that powered, controlled flight is possible on another planet. But just getting it onto the surface of Mars will take a whole lot of ingenuity. NASA’s Ingenuity Mars ...

Far smaller and closer to the Sun than it should be, Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission arriving in 2026 might ...

(CNN) — Data from a retired NASA mission has revealed evidence of an underground reservoir of water deep beneath the surface of Mars, according to new research. A team of scientists estimates that ...