Mercury, the smallest planet in our solar system, has many features that have puzzled scientists for a long time. For […] ...

NASA’s Messenger Spacecraft Detects a 10-Mile-Thick Layer of Diamonds on Mercury The innermost planet of our solar system, ...

NASA's oldest full-time astronaut is back home and doing well a week after wrapping up a seven-month space mission.

Mercury astronaut John Glenn was 77 when he returned to orbit on a short shuttle flight in 1998. But he’d been gone from NASA for decades and was close to wrapping up his Senate career.

According to NASA, the planetary phenomenon will be clearest about 45 minutes before sunrise, low in the eastern sky and ...

NASA is looking into propulsion problems experienced by a probe on its way to orbit the asteroid Psyche.

NASA researchers suggest a surprising discovery on planet Mercury: a diamond layer approximately 10 miles thick, adding to ...

NASA’s Dragonfly has passed its critical design review. The flying robot will explore Saturn’s moon Titan for signs of life ...

Wake up early for a planet parade 🪐 Between April 24 and 25, find Venus, Saturn, and the crescent moon gathered low in the ...

Jaw-dropping pictures show the giant fuel tank that will help land astronauts on the Moon. Teams at NASA’s Michoud Assembly ...

Cake, gifts and a low-key family celebration may be how many senior citizens picture their 70th birthday. But NASA's oldest ...

Mercury astronaut John Glenn was 77 when he returned to orbit on a short shuttle flight in 1998. But he'd been gone from NASA for decades and was close to wrapping up his Senate career.