The Mars Sample Return effort was billions of dollars over budget and not expected to return to Earth with its samples until 2040.

"Springtime on Earth has lots of trickling as water ice gradually melts. But on Mars, everything happens with a bang," Serina ...

NASA’s retired InSight lander, now covered in Martian dust, continues to offer insights into Mars through images captured by the Mars Reconnaissance Orbiter. Over its four-year mission, InSight ...

NASA’s 2024 image collection highlights stunning views of Earth and detailed microgravity experiments aboard the ISS.

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Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.

NASA's retired Mars InSight Lander continues to reveal Red Planet secrets, from dust dynamics to Martian weather patterns.

The spacecraft flew within 3.8 million miles (6.1 million kilometers) of the solar surface to "touch the sun" on Christmas ...

NASA's Parker Solar Probe flew closer to the sun than any human-made object ever — a stunning technological feat that ...

Though Carter never claimed to have spotted aliens or a flying saucer — to him this was literally an unknown object in the air — people snickered and mistook his UFO sighting as such. Skeptics, who ...

SNAPS of Mars in snow are quite rare, given how hard they are to capture. But they give us a glimpse of what a future Mars ...

Peer into the fascinating work astronauts carried out on the International Space Station as it zips across the sky.