Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.

A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...

Using artificial intelligence, scientists have discovered a crater from a meteoroid that they say shook material as deep as ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

A world-leading designer of space robots says gigantic new rockets being tested by billionaires Elon Musk and Jeff Bezos are ...

NASA's Perseverance rover collects Martian soil samples from Jezero Crater, revealing potential signs of past life on Mars.

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Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.

Trump’s pledge to go to Mars without mentioning the moon has caused some head-scratching and even consternation in the media.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...