Mars and Mercury cozy up, the Leonids sparkle, and Saturn's rings are…disappearing? Mars and Mercury get close for a ...

A chance discovery by a NASA rover on Mars shows that the red planet has a form of lightning, which researchers had suspected ...

Bringing samples from Mars back to Earth is one of NASA's most ambitious goals. The plan goes back to the 1970s, with NASA's robotic exploration program, when the first spacecraft landed on the ...

The rover’s science instruments found that the formation’s sedimentary rocks are composed of clay and silt, which, on Earth, are excellent preservers of past microbial life. The findings were made ...

The ESCAPADE mission, which launched to space on a Blue Origin rocket on Thursday, breaks the mold of how planetary science missions typically come together. By Kenneth Chang Kenneth Chang went to ...

The first dual-satellite mission to another planet, NASA's ESCAPADE (Escape and Plasma Acceleration and Dynamics Explorers), is scheduled for launch no earlier than Sunday, Nov. 9, from Cape Canaveral ...